Home / 12,524,618.80-18,786,928.20-9,690,266.80

Finding the Fourth Proportional to 12,524,618.80, 18,786,928.20 and 9,690,266.80

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Solution

The fourth proportional to 12,524,618.80, 18,786,928.20 and 9,690,266.80 is: 14,535,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,618.80 : 18,786,928.20 = 9,690,266.80 : x
  2. Step 2: Convert to fraction form
    12,524,618.80/18,786,928.20 = 9,690,266.80/x
  3. Step 3: Cross multiply
    12,524,618.80x = 18,786,928.20 × 9,690,266.80
  4. Step 4: Simplify right side
    12,524,618.80x = 182,050,346,610,443.78
  5. Step 5: Solve for x
    x = 182,050,346,610,443.78/12,524,618.80
  6. Step 6: Final answer
    x = 14,535,400.20

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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.