Home / 38,766,892.56-53,498,663.16-21,363,861.36

Finding the Fourth Proportional to 38,766,892.56, 53,498,663.16 and 21,363,861.36

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Solution

The fourth proportional to 38,766,892.56, 53,498,663.16 and 21,363,861.36 is: 29,482,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766,892.56 : 53,498,663.16 = 21,363,861.36 : x
  2. Step 2: Convert to fraction form
    38,766,892.56/53,498,663.16 = 21,363,861.36/x
  3. Step 3: Cross multiply
    38,766,892.56x = 53,498,663.16 × 21,363,861.36
  4. Step 4: Simplify right side
    38,766,892.56x = 1,142,938,022,695,579.50
  5. Step 5: Solve for x
    x = 1,142,938,022,695,579.50/38,766,892.56
  6. Step 6: Final answer
    x = 29,482,322.34

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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.