Home / 38,999,719.80-53,815,235.76-21,591,695.52

Finding the Fourth Proportional to 38,999,719.80, 53,815,235.76 and 21,591,695.52

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Solution

The fourth proportional to 38,999,719.80, 53,815,235.76 and 21,591,695.52 is: 29,794,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999,719.80 : 53,815,235.76 = 21,591,695.52 : x
  2. Step 2: Convert to fraction form
    38,999,719.80/53,815,235.76 = 21,591,695.52/x
  3. Step 3: Cross multiply
    38,999,719.80x = 53,815,235.76 × 21,591,695.52
  4. Step 4: Simplify right side
    38,999,719.80x = 1,161,962,184,866,935.75
  5. Step 5: Solve for x
    x = 1,161,962,184,866,935.75/38,999,719.80
  6. Step 6: Final answer
    x = 29,794,116.24

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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.