Home / 20,127,555.70-30,167,713.95-8,613,000.70

Finding the Fourth Proportional to 20,127,555.70, 30,167,713.95 and 8,613,000.70

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Solution

The fourth proportional to 20,127,555.70, 30,167,713.95 and 8,613,000.70 is: 12,909,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,555.70 : 30,167,713.95 = 8,613,000.70 : x
  2. Step 2: Convert to fraction form
    20,127,555.70/30,167,713.95 = 8,613,000.70/x
  3. Step 3: Cross multiply
    20,127,555.70x = 30,167,713.95 × 8,613,000.70
  4. Step 4: Simplify right side
    20,127,555.70x = 259,834,541,368,749.75
  5. Step 5: Solve for x
    x = 259,834,541,368,749.75/20,127,555.70
  6. Step 6: Final answer
    x = 12,909,393.73

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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.