Home / 20,502,007.60-30,753,011.40-8,367,438.10

Finding the Fourth Proportional to 20,502,007.60, 30,753,011.40 and 8,367,438.10

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Solution

The fourth proportional to 20,502,007.60, 30,753,011.40 and 8,367,438.10 is: 12,551,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,007.60 : 30,753,011.40 = 8,367,438.10 : x
  2. Step 2: Convert to fraction form
    20,502,007.60/30,753,011.40 = 8,367,438.10/x
  3. Step 3: Cross multiply
    20,502,007.60x = 30,753,011.40 × 8,367,438.10
  4. Step 4: Simplify right side
    20,502,007.60x = 257,323,919,278,094.31
  5. Step 5: Solve for x
    x = 257,323,919,278,094.31/20,502,007.60
  6. Step 6: Final answer
    x = 12,551,157.15

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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.