Home / 30,632,443.20-45,948,664.80-10,432,814.40

Finding the Fourth Proportional to 30,632,443.20, 45,948,664.80 and 10,432,814.40

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Solution

The fourth proportional to 30,632,443.20, 45,948,664.80 and 10,432,814.40 is: 15,649,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,443.20 : 45,948,664.80 = 10,432,814.40 : x
  2. Step 2: Convert to fraction form
    30,632,443.20/45,948,664.80 = 10,432,814.40/x
  3. Step 3: Cross multiply
    30,632,443.20x = 45,948,664.80 × 10,432,814.40
  4. Step 4: Simplify right side
    30,632,443.20x = 479,373,891,786,213.12
  5. Step 5: Solve for x
    x = 479,373,891,786,213.12/30,632,443.20
  6. Step 6: Final answer
    x = 15,649,221.60

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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.