Home / 13,930,732.48-19,223,356.17-7,817,980

Finding the Fourth Proportional to 13,930,732.48, 19,223,356.17 and 7,817,980

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Solution

The fourth proportional to 13,930,732.48, 19,223,356.17 and 7,817,980 is: 10,788,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,732.48 : 19,223,356.17 = 7,817,980 : x
  2. Step 2: Convert to fraction form
    13,930,732.48/19,223,356.17 = 7,817,980/x
  3. Step 3: Cross multiply
    13,930,732.48x = 19,223,356.17 × 7,817,980
  4. Step 4: Simplify right side
    13,930,732.48x = 150,287,814,069,936.62
  5. Step 5: Solve for x
    x = 150,287,814,069,936.62/13,930,732.48
  6. Step 6: Final answer
    x = 10,788,220.53

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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.