Home / 20,432,534.49-30,647,915.87-5,079,502.89

Finding the Fourth Proportional to 20,432,534.49, 30,647,915.87 and 5,079,502.89

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Solution

The fourth proportional to 20,432,534.49, 30,647,915.87 and 5,079,502.89 is: 7,619,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432,534.49 : 30,647,915.87 = 5,079,502.89 : x
  2. Step 2: Convert to fraction form
    20,432,534.49/30,647,915.87 = 5,079,502.89/x
  3. Step 3: Cross multiply
    20,432,534.49x = 30,647,915.87 × 5,079,502.89
  4. Step 4: Simplify right side
    20,432,534.49x = 155,676,177,208,744.34
  5. Step 5: Solve for x
    x = 155,676,177,208,744.34/20,432,534.49
  6. Step 6: Final answer
    x = 7,619,034.11

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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.