Home / 16,990,780.80-25,486,171.20-5,023,516.80

Finding the Fourth Proportional to 16,990,780.80, 25,486,171.20 and 5,023,516.80

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Solution

The fourth proportional to 16,990,780.80, 25,486,171.20 and 5,023,516.80 is: 7,535,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990,780.80 : 25,486,171.20 = 5,023,516.80 : x
  2. Step 2: Convert to fraction form
    16,990,780.80/25,486,171.20 = 5,023,516.80/x
  3. Step 3: Cross multiply
    16,990,780.80x = 25,486,171.20 × 5,023,516.80
  4. Step 4: Simplify right side
    16,990,780.80x = 128,030,209,190,876.16
  5. Step 5: Solve for x
    x = 128,030,209,190,876.16/16,990,780.80
  6. Step 6: Final answer
    x = 7,535,275.20

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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.