Home / 38,281,867.80-52,819,894.92-21,760,695.72

Finding the Fourth Proportional to 38,281,867.80, 52,819,894.92 and 21,760,695.72

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Solution

The fourth proportional to 38,281,867.80, 52,819,894.92 and 21,760,695.72 is: 30,024,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281,867.80 : 52,819,894.92 = 21,760,695.72 : x
  2. Step 2: Convert to fraction form
    38,281,867.80/52,819,894.92 = 21,760,695.72/x
  3. Step 3: Cross multiply
    38,281,867.80x = 52,819,894.92 × 21,760,695.72
  4. Step 4: Simplify right side
    38,281,867.80x = 1,149,397,661,316,493.75
  5. Step 5: Solve for x
    x = 1,149,397,661,316,493.75/38,281,867.80
  6. Step 6: Final answer
    x = 30,024,597.21

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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.