Home / 18,718,807.39-25,829,579.90-10,981,026.43

Finding the Fourth Proportional to 18,718,807.39, 25,829,579.90 and 10,981,026.43

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Solution

The fourth proportional to 18,718,807.39, 25,829,579.90 and 10,981,026.43 is: 15,152,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,807.39 : 25,829,579.90 = 10,981,026.43 : x
  2. Step 2: Convert to fraction form
    18,718,807.39/25,829,579.90 = 10,981,026.43/x
  3. Step 3: Cross multiply
    18,718,807.39x = 25,829,579.90 × 10,981,026.43
  4. Step 4: Simplify right side
    18,718,807.39x = 283,635,299,520,575.38
  5. Step 5: Solve for x
    x = 283,635,299,520,575.38/18,718,807.39
  6. Step 6: Final answer
    x = 15,152,423.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.