Home / 12,791,812.60-19,156,226.10-8,508,791.80

Finding the Fourth Proportional to 12,791,812.60, 19,156,226.10 and 8,508,791.80

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Solution

The fourth proportional to 12,791,812.60, 19,156,226.10 and 8,508,791.80 is: 12,742,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,812.60 : 19,156,226.10 = 8,508,791.80 : x
  2. Step 2: Convert to fraction form
    12,791,812.60/19,156,226.10 = 8,508,791.80/x
  3. Step 3: Cross multiply
    12,791,812.60x = 19,156,226.10 × 8,508,791.80
  4. Step 4: Simplify right side
    12,791,812.60x = 162,996,339,558,626
  5. Step 5: Solve for x
    x = 162,996,339,558,626/12,791,812.60
  6. Step 6: Final answer
    x = 12,742,239.48

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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.