Home / 12,607,777.92-17,399,385.60-7,711,464.96

Finding the Fourth Proportional to 12,607,777.92, 17,399,385.60 and 7,711,464.96

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Solution

The fourth proportional to 12,607,777.92, 17,399,385.60 and 7,711,464.96 is: 10,642,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,777.92 : 17,399,385.60 = 7,711,464.96 : x
  2. Step 2: Convert to fraction form
    12,607,777.92/17,399,385.60 = 7,711,464.96/x
  3. Step 3: Cross multiply
    12,607,777.92x = 17,399,385.60 × 7,711,464.96
  4. Step 4: Simplify right side
    12,607,777.92x = 134,174,752,379,928.59
  5. Step 5: Solve for x
    x = 134,174,752,379,928.59/12,607,777.92
  6. Step 6: Final answer
    x = 10,642,220.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.