Home / 52,378,930.90-78,519,542.56-17,811,711

Finding the Fourth Proportional to 52,378,930.90, 78,519,542.56 and 17,811,711

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Solution

The fourth proportional to 52,378,930.90, 78,519,542.56 and 17,811,711 is: 26,700,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378,930.90 : 78,519,542.56 = 17,811,711 : x
  2. Step 2: Convert to fraction form
    52,378,930.90/78,519,542.56 = 17,811,711/x
  3. Step 3: Cross multiply
    52,378,930.90x = 78,519,542.56 × 17,811,711
  4. Step 4: Simplify right side
    52,378,930.90x = 1,398,567,399,930,920.25
  5. Step 5: Solve for x
    x = 1,398,567,399,930,920.25/52,378,930.90
  6. Step 6: Final answer
    x = 26,700,953.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.