Home / 20,581,007.54-30,863,664.08-6,930,488.92

Finding the Fourth Proportional to 20,581,007.54, 30,863,664.08 and 6,930,488.92

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Solution

The fourth proportional to 20,581,007.54, 30,863,664.08 and 6,930,488.92 is: 10,393,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,007.54 : 30,863,664.08 = 6,930,488.92 : x
  2. Step 2: Convert to fraction form
    20,581,007.54/30,863,664.08 = 6,930,488.92/x
  3. Step 3: Cross multiply
    20,581,007.54x = 30,863,664.08 × 6,930,488.92
  4. Step 4: Simplify right side
    20,581,007.54x = 213,900,281,825,230.41
  5. Step 5: Solve for x
    x = 213,900,281,825,230.41/20,581,007.54
  6. Step 6: Final answer
    x = 10,393,090.89

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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.