Home / 20,771,260-31,129,038.92-16,165,806.96

Finding the Fourth Proportional to 20,771,260, 31,129,038.92 and 16,165,806.96

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Solution

The fourth proportional to 20,771,260, 31,129,038.92 and 16,165,806.96 is: 24,227,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,260 : 31,129,038.92 = 16,165,806.96 : x
  2. Step 2: Convert to fraction form
    20,771,260/31,129,038.92 = 16,165,806.96/x
  3. Step 3: Cross multiply
    20,771,260x = 31,129,038.92 × 16,165,806.96
  4. Step 4: Simplify right side
    20,771,260x = 503,226,034,031,046.94
  5. Step 5: Solve for x
    x = 503,226,034,031,046.94/20,771,260
  6. Step 6: Final answer
    x = 24,227,034.57

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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.