Home / 38,732,470.56-53,449,641.16-21,328,909.56

Finding the Fourth Proportional to 38,732,470.56, 53,449,641.16 and 21,328,909.56

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Solution

The fourth proportional to 38,732,470.56, 53,449,641.16 and 21,328,909.56 is: 29,433,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732,470.56 : 53,449,641.16 = 21,328,909.56 : x
  2. Step 2: Convert to fraction form
    38,732,470.56/53,449,641.16 = 21,328,909.56/x
  3. Step 3: Cross multiply
    38,732,470.56x = 53,449,641.16 × 21,328,909.56
  4. Step 4: Simplify right side
    38,732,470.56x = 1,140,022,562,316,093.25
  5. Step 5: Solve for x
    x = 1,140,022,562,316,093.25/38,732,470.56
  6. Step 6: Final answer
    x = 29,433,251.89

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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.