Home / 8,472,513.60-12,694,773.60-7,212,801.60

Finding the Fourth Proportional to 8,472,513.60, 12,694,773.60 and 7,212,801.60

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Solution

The fourth proportional to 8,472,513.60, 12,694,773.60 and 7,212,801.60 is: 10,807,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,513.60 : 12,694,773.60 = 7,212,801.60 : x
  2. Step 2: Convert to fraction form
    8,472,513.60/12,694,773.60 = 7,212,801.60/x
  3. Step 3: Cross multiply
    8,472,513.60x = 12,694,773.60 × 7,212,801.60
  4. Step 4: Simplify right side
    8,472,513.60x = 91,564,883,333,717.75
  5. Step 5: Solve for x
    x = 91,564,883,333,717.75/8,472,513.60
  6. Step 6: Final answer
    x = 10,807,286.68

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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.