Home / 19,988,087.49-29,982,131.01-7,208,592

Finding the Fourth Proportional to 19,988,087.49, 29,982,131.01 and 7,208,592

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Solution

The fourth proportional to 19,988,087.49, 29,982,131.01 and 7,208,592 is: 10,812,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,087.49 : 29,982,131.01 = 7,208,592 : x
  2. Step 2: Convert to fraction form
    19,988,087.49/29,982,131.01 = 7,208,592/x
  3. Step 3: Cross multiply
    19,988,087.49x = 29,982,131.01 × 7,208,592
  4. Step 4: Simplify right side
    19,988,087.49x = 216,128,949,741,637.94
  5. Step 5: Solve for x
    x = 216,128,949,741,637.94/19,988,087.49
  6. Step 6: Final answer
    x = 10,812,887.92

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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.