Home / 20,581,007.79-30,863,664.45-6,930,489.16

Finding the Fourth Proportional to 20,581,007.79, 30,863,664.45 and 6,930,489.16

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Solution

The fourth proportional to 20,581,007.79, 30,863,664.45 and 6,930,489.16 is: 10,393,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,007.79 : 30,863,664.45 = 6,930,489.16 : x
  2. Step 2: Convert to fraction form
    20,581,007.79/30,863,664.45 = 6,930,489.16/x
  3. Step 3: Cross multiply
    20,581,007.79x = 30,863,664.45 × 6,930,489.16
  4. Step 4: Simplify right side
    20,581,007.79x = 213,900,291,908,602.38
  5. Step 5: Solve for x
    x = 213,900,291,908,602.38/20,581,007.79
  6. Step 6: Final answer
    x = 10,393,091.25

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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.