Home / 38,721,577.30-53,433,748.26-21,314,522.59

Finding the Fourth Proportional to 38,721,577.30, 53,433,748.26 and 21,314,522.59

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Solution

The fourth proportional to 38,721,577.30, 53,433,748.26 and 21,314,522.59 is: 29,412,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721,577.30 : 53,433,748.26 = 21,314,522.59 : x
  2. Step 2: Convert to fraction form
    38,721,577.30/53,433,748.26 = 21,314,522.59/x
  3. Step 3: Cross multiply
    38,721,577.30x = 53,433,748.26 × 21,314,522.59
  4. Step 4: Simplify right side
    38,721,577.30x = 1,138,914,834,222,558.75
  5. Step 5: Solve for x
    x = 1,138,914,834,222,558.75/38,721,577.30
  6. Step 6: Final answer
    x = 29,412,924.62

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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.