Home / 28,446,036.71-39,255,634.19-15,393,294.43

Finding the Fourth Proportional to 28,446,036.71, 39,255,634.19 and 15,393,294.43

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Solution

The fourth proportional to 28,446,036.71, 39,255,634.19 and 15,393,294.43 is: 21,242,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,036.71 : 39,255,634.19 = 15,393,294.43 : x
  2. Step 2: Convert to fraction form
    28,446,036.71/39,255,634.19 = 15,393,294.43/x
  3. Step 3: Cross multiply
    28,446,036.71x = 39,255,634.19 × 15,393,294.43
  4. Step 4: Simplify right side
    28,446,036.71x = 604,273,535,063,388.75
  5. Step 5: Solve for x
    x = 604,273,535,063,388.75/28,446,036.71
  6. Step 6: Final answer
    x = 21,242,802.34

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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.