Home / 38,955,634.89-53,754,132.33-21,549,622.65

Finding the Fourth Proportional to 38,955,634.89, 53,754,132.33 and 21,549,622.65

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Solution

The fourth proportional to 38,955,634.89, 53,754,132.33 and 21,549,622.65 is: 29,735,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955,634.89 : 53,754,132.33 = 21,549,622.65 : x
  2. Step 2: Convert to fraction form
    38,955,634.89/53,754,132.33 = 21,549,622.65/x
  3. Step 3: Cross multiply
    38,955,634.89x = 53,754,132.33 × 21,549,622.65
  4. Step 4: Simplify right side
    38,955,634.89x = 1,158,381,267,589,665.25
  5. Step 5: Solve for x
    x = 1,158,381,267,589,665.25/38,955,634.89
  6. Step 6: Final answer
    x = 29,735,910.37

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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.