Home / 38,643,572.20-57,972,356.70-19,425,965.80

Finding the Fourth Proportional to 38,643,572.20, 57,972,356.70 and 19,425,965.80

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Solution

The fourth proportional to 38,643,572.20, 57,972,356.70 and 19,425,965.80 is: 29,142,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643,572.20 : 57,972,356.70 = 19,425,965.80 : x
  2. Step 2: Convert to fraction form
    38,643,572.20/57,972,356.70 = 19,425,965.80/x
  3. Step 3: Cross multiply
    38,643,572.20x = 57,972,356.70 × 19,425,965.80
  4. Step 4: Simplify right side
    38,643,572.20x = 1,126,169,018,599,601
  5. Step 5: Solve for x
    x = 1,126,169,018,599,601/38,643,572.20
  6. Step 6: Final answer
    x = 29,142,466.77

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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.