Home / 20,432,526.19-30,648,902.16-5,079,815.88

Finding the Fourth Proportional to 20,432,526.19, 30,648,902.16 and 5,079,815.88

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Solution

The fourth proportional to 20,432,526.19, 30,648,902.16 and 5,079,815.88 is: 7,619,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432,526.19 : 30,648,902.16 = 5,079,815.88 : x
  2. Step 2: Convert to fraction form
    20,432,526.19/30,648,902.16 = 5,079,815.88/x
  3. Step 3: Cross multiply
    20,432,526.19x = 30,648,902.16 × 5,079,815.88
  4. Step 4: Simplify right side
    20,432,526.19x = 155,690,779,896,934.31
  5. Step 5: Solve for x
    x = 155,690,779,896,934.31/20,432,526.19
  6. Step 6: Final answer
    x = 7,619,751.88

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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.