Home / 34,159,854.24-47,132,885.52-20,406,137.76

Finding the Fourth Proportional to 34,159,854.24, 47,132,885.52 and 20,406,137.76

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Solution

The fourth proportional to 34,159,854.24, 47,132,885.52 and 20,406,137.76 is: 28,155,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159,854.24 : 47,132,885.52 = 20,406,137.76 : x
  2. Step 2: Convert to fraction form
    34,159,854.24/47,132,885.52 = 20,406,137.76/x
  3. Step 3: Cross multiply
    34,159,854.24x = 47,132,885.52 × 20,406,137.76
  4. Step 4: Simplify right side
    34,159,854.24x = 961,800,154,947,429.38
  5. Step 5: Solve for x
    x = 961,800,154,947,429.38/34,159,854.24
  6. Step 6: Final answer
    x = 28,155,862.38

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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.