Home / 21,013,676.10-31,520,514.15-7,382,214.45

Finding the Fourth Proportional to 21,013,676.10, 31,520,514.15 and 7,382,214.45

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Solution

The fourth proportional to 21,013,676.10, 31,520,514.15 and 7,382,214.45 is: 11,073,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013,676.10 : 31,520,514.15 = 7,382,214.45 : x
  2. Step 2: Convert to fraction form
    21,013,676.10/31,520,514.15 = 7,382,214.45/x
  3. Step 3: Cross multiply
    21,013,676.10x = 31,520,514.15 × 7,382,214.45
  4. Step 4: Simplify right side
    21,013,676.10x = 232,691,195,029,559.47
  5. Step 5: Solve for x
    x = 232,691,195,029,559.47/21,013,676.10
  6. Step 6: Final answer
    x = 11,073,321.68

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Similar ratio
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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.