Home / 30,632,439.20-45,948,658.80-10,432,810.40

Finding the Fourth Proportional to 30,632,439.20, 45,948,658.80 and 10,432,810.40

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Solution

The fourth proportional to 30,632,439.20, 45,948,658.80 and 10,432,810.40 is: 15,649,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,439.20 : 45,948,658.80 = 10,432,810.40 : x
  2. Step 2: Convert to fraction form
    30,632,439.20/45,948,658.80 = 10,432,810.40/x
  3. Step 3: Cross multiply
    30,632,439.20x = 45,948,658.80 × 10,432,810.40
  4. Step 4: Simplify right side
    30,632,439.20x = 479,373,645,394,691.50
  5. Step 5: Solve for x
    x = 479,373,645,394,691.50/30,632,439.20
  6. Step 6: Final answer
    x = 15,649,215.60

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1.5x scale

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.