Home / 10,560,657.60-15,840,986.40-8,434,893.60

Finding the Fourth Proportional to 10,560,657.60, 15,840,986.40 and 8,434,893.60

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Solution

The fourth proportional to 10,560,657.60, 15,840,986.40 and 8,434,893.60 is: 12,652,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560,657.60 : 15,840,986.40 = 8,434,893.60 : x
  2. Step 2: Convert to fraction form
    10,560,657.60/15,840,986.40 = 8,434,893.60/x
  3. Step 3: Cross multiply
    10,560,657.60x = 15,840,986.40 × 8,434,893.60
  4. Step 4: Simplify right side
    10,560,657.60x = 133,617,034,803,047.03
  5. Step 5: Solve for x
    x = 133,617,034,803,047.03/10,560,657.60
  6. Step 6: Final answer
    x = 12,652,340.40

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Double scale
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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.