Home / 20,347,280.80-30,520,921.20-14,926,582.60

Finding the Fourth Proportional to 20,347,280.80, 30,520,921.20 and 14,926,582.60

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Solution

The fourth proportional to 20,347,280.80, 30,520,921.20 and 14,926,582.60 is: 22,389,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,280.80 : 30,520,921.20 = 14,926,582.60 : x
  2. Step 2: Convert to fraction form
    20,347,280.80/30,520,921.20 = 14,926,582.60/x
  3. Step 3: Cross multiply
    20,347,280.80x = 30,520,921.20 × 14,926,582.60
  4. Step 4: Simplify right side
    20,347,280.80x = 455,573,051,319,891.12
  5. Step 5: Solve for x
    x = 455,573,051,319,891.12/20,347,280.80
  6. Step 6: Final answer
    x = 22,389,873.90

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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.