Home / 18,594,098.70-27,891,148.05-12,854,535.90

Finding the Fourth Proportional to 18,594,098.70, 27,891,148.05 and 12,854,535.90

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Solution

The fourth proportional to 18,594,098.70, 27,891,148.05 and 12,854,535.90 is: 19,281,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,098.70 : 27,891,148.05 = 12,854,535.90 : x
  2. Step 2: Convert to fraction form
    18,594,098.70/27,891,148.05 = 12,854,535.90/x
  3. Step 3: Cross multiply
    18,594,098.70x = 27,891,148.05 × 12,854,535.90
  4. Step 4: Simplify right side
    18,594,098.70x = 358,527,763,900,940
  5. Step 5: Solve for x
    x = 358,527,763,900,940/18,594,098.70
  6. Step 6: Final answer
    x = 19,281,803.85

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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.