Home / 20,343,458.52-28,073,984.08-11,176,691.76

Finding the Fourth Proportional to 20,343,458.52, 28,073,984.08 and 11,176,691.76

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Solution

The fourth proportional to 20,343,458.52, 28,073,984.08 and 11,176,691.76 is: 15,423,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,458.52 : 28,073,984.08 = 11,176,691.76 : x
  2. Step 2: Convert to fraction form
    20,343,458.52/28,073,984.08 = 11,176,691.76/x
  3. Step 3: Cross multiply
    20,343,458.52x = 28,073,984.08 × 11,176,691.76
  4. Step 4: Simplify right side
    20,343,458.52x = 313,774,266,537,307.12
  5. Step 5: Solve for x
    x = 313,774,266,537,307.12/20,343,458.52
  6. Step 6: Final answer
    x = 15,423,840.85

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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.