Home / 19,721,277.90-29,561,796.45-13,332,176.10

Finding the Fourth Proportional to 19,721,277.90, 29,561,796.45 and 13,332,176.10

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Solution

The fourth proportional to 19,721,277.90, 29,561,796.45 and 13,332,176.10 is: 19,984,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,277.90 : 29,561,796.45 = 13,332,176.10 : x
  2. Step 2: Convert to fraction form
    19,721,277.90/29,561,796.45 = 13,332,176.10/x
  3. Step 3: Cross multiply
    19,721,277.90x = 29,561,796.45 × 13,332,176.10
  4. Step 4: Simplify right side
    19,721,277.90x = 394,123,076,103,754.81
  5. Step 5: Solve for x
    x = 394,123,076,103,754.81/19,721,277.90
  6. Step 6: Final answer
    x = 19,984,662.16

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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.