Home / 31,514,186.28-43,492,920.86-18,472,402.68

Finding the Fourth Proportional to 31,514,186.28, 43,492,920.86 and 18,472,402.68

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Solution

The fourth proportional to 31,514,186.28, 43,492,920.86 and 18,472,402.68 is: 25,493,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514,186.28 : 43,492,920.86 = 18,472,402.68 : x
  2. Step 2: Convert to fraction form
    31,514,186.28/43,492,920.86 = 18,472,402.68/x
  3. Step 3: Cross multiply
    31,514,186.28x = 43,492,920.86 × 18,472,402.68
  4. Step 4: Simplify right side
    31,514,186.28x = 803,418,747,855,291.88
  5. Step 5: Solve for x
    x = 803,418,747,855,291.88/31,514,186.28
  6. Step 6: Final answer
    x = 25,493,875.70

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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.