Home / 13,270,934.57-19,880,898.90-8,138,397.88

Finding the Fourth Proportional to 13,270,934.57, 19,880,898.90 and 8,138,397.88

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Solution

The fourth proportional to 13,270,934.57, 19,880,898.90 and 8,138,397.88 is: 12,191,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,934.57 : 19,880,898.90 = 8,138,397.88 : x
  2. Step 2: Convert to fraction form
    13,270,934.57/19,880,898.90 = 8,138,397.88/x
  3. Step 3: Cross multiply
    13,270,934.57x = 19,880,898.90 × 8,138,397.88
  4. Step 4: Simplify right side
    13,270,934.57x = 161,798,665,454,586.44
  5. Step 5: Solve for x
    x = 161,798,665,454,586.44/13,270,934.57
  6. Step 6: Final answer
    x = 12,191,957.14

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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.