Home / 51,997,710.30-71,755,963.47-28,792,338.90

Finding the Fourth Proportional to 51,997,710.30, 71,755,963.47 and 28,792,338.90

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Solution

The fourth proportional to 51,997,710.30, 71,755,963.47 and 28,792,338.90 is: 39,732,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997,710.30 : 71,755,963.47 = 28,792,338.90 : x
  2. Step 2: Convert to fraction form
    51,997,710.30/71,755,963.47 = 28,792,338.90/x
  3. Step 3: Cross multiply
    51,997,710.30x = 71,755,963.47 × 28,792,338.90
  4. Step 4: Simplify right side
    51,997,710.30x = 2,066,022,018,324,259.75
  5. Step 5: Solve for x
    x = 2,066,022,018,324,259.75/51,997,710.30
  6. Step 6: Final answer
    x = 39,732,942.21

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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.