Home / 20,971,668.72-31,458,624.14-6,595,857.52

Finding the Fourth Proportional to 20,971,668.72, 31,458,624.14 and 6,595,857.52

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Solution

The fourth proportional to 20,971,668.72, 31,458,624.14 and 6,595,857.52 is: 9,894,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,668.72 : 31,458,624.14 = 6,595,857.52 : x
  2. Step 2: Convert to fraction form
    20,971,668.72/31,458,624.14 = 6,595,857.52/x
  3. Step 3: Cross multiply
    20,971,668.72x = 31,458,624.14 × 6,595,857.52
  4. Step 4: Simplify right side
    20,971,668.72x = 207,496,602,602,672.53
  5. Step 5: Solve for x
    x = 207,496,602,602,672.53/20,971,668.72
  6. Step 6: Final answer
    x = 9,894,138.87

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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.