Home / 8,766,037.60-13,149,056.40-8,430,114.40

Finding the Fourth Proportional to 8,766,037.60, 13,149,056.40 and 8,430,114.40

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Solution

The fourth proportional to 8,766,037.60, 13,149,056.40 and 8,430,114.40 is: 12,645,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,037.60 : 13,149,056.40 = 8,430,114.40 : x
  2. Step 2: Convert to fraction form
    8,766,037.60/13,149,056.40 = 8,430,114.40/x
  3. Step 3: Cross multiply
    8,766,037.60x = 13,149,056.40 × 8,430,114.40
  4. Step 4: Simplify right side
    8,766,037.60x = 110,848,049,704,052.17
  5. Step 5: Solve for x
    x = 110,848,049,704,052.17/8,766,037.60
  6. Step 6: Final answer
    x = 12,645,171.60

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Double scale
Find fourth proportional to 8,766,038.60, 13,149,057.90 and 8,430,115.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.