Home / 12,524,607.80-18,786,911.70-9,690,255.80

Finding the Fourth Proportional to 12,524,607.80, 18,786,911.70 and 9,690,255.80

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Solution

The fourth proportional to 12,524,607.80, 18,786,911.70 and 9,690,255.80 is: 14,535,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,607.80 : 18,786,911.70 = 9,690,255.80 : x
  2. Step 2: Convert to fraction form
    12,524,607.80/18,786,911.70 = 9,690,255.80/x
  3. Step 3: Cross multiply
    12,524,607.80x = 18,786,911.70 × 9,690,255.80
  4. Step 4: Simplify right side
    12,524,607.80x = 182,049,980,065,012.88
  5. Step 5: Solve for x
    x = 182,049,980,065,012.88/12,524,607.80
  6. Step 6: Final answer
    x = 14,535,383.70

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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.