Home / 13,204,089.90-19,787,472.45-8,140,358.70

Finding the Fourth Proportional to 13,204,089.90, 19,787,472.45 and 8,140,358.70

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Solution

The fourth proportional to 13,204,089.90, 19,787,472.45 and 8,140,358.70 is: 12,199,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,089.90 : 19,787,472.45 = 8,140,358.70 : x
  2. Step 2: Convert to fraction form
    13,204,089.90/19,787,472.45 = 8,140,358.70/x
  3. Step 3: Cross multiply
    13,204,089.90x = 19,787,472.45 × 8,140,358.70
  4. Step 4: Simplify right side
    13,204,089.90x = 161,077,123,509,367.81
  5. Step 5: Solve for x
    x = 161,077,123,509,367.81/13,204,089.90
  6. Step 6: Final answer
    x = 12,199,032.63

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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.