Home / 20,522,025.20-30,762,733.80-9,720,340.40

Finding the Fourth Proportional to 20,522,025.20, 30,762,733.80 and 9,720,340.40

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Solution

The fourth proportional to 20,522,025.20, 30,762,733.80 and 9,720,340.40 is: 14,570,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,025.20 : 30,762,733.80 = 9,720,340.40 : x
  2. Step 2: Convert to fraction form
    20,522,025.20/30,762,733.80 = 9,720,340.40/x
  3. Step 3: Cross multiply
    20,522,025.20x = 30,762,733.80 × 9,720,340.40
  4. Step 4: Simplify right side
    20,522,025.20x = 299,024,244,170,585.56
  5. Step 5: Solve for x
    x = 299,024,244,170,585.56/20,522,025.20
  6. Step 6: Final answer
    x = 14,570,893.53

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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.