Home / 8,257,893.60-12,386,840.40-5,234,584.80

Finding the Fourth Proportional to 8,257,893.60, 12,386,840.40 and 5,234,584.80

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Solution

The fourth proportional to 8,257,893.60, 12,386,840.40 and 5,234,584.80 is: 7,851,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,893.60 : 12,386,840.40 = 5,234,584.80 : x
  2. Step 2: Convert to fraction form
    8,257,893.60/12,386,840.40 = 5,234,584.80/x
  3. Step 3: Cross multiply
    8,257,893.60x = 12,386,840.40 × 5,234,584.80
  4. Step 4: Simplify right side
    8,257,893.60x = 64,839,966,477,865.92
  5. Step 5: Solve for x
    x = 64,839,966,477,865.92/8,257,893.60
  6. Step 6: Final answer
    x = 7,851,877.20

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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.