Home / 12,412,103.28-17,121,569.90-7,757,810.88

Finding the Fourth Proportional to 12,412,103.28, 17,121,569.90 and 7,757,810.88

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Solution

The fourth proportional to 12,412,103.28, 17,121,569.90 and 7,757,810.88 is: 10,701,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,103.28 : 17,121,569.90 = 7,757,810.88 : x
  2. Step 2: Convert to fraction form
    12,412,103.28/17,121,569.90 = 7,757,810.88/x
  3. Step 3: Cross multiply
    12,412,103.28x = 17,121,569.90 × 7,757,810.88
  4. Step 4: Simplify right side
    12,412,103.28x = 132,825,901,252,900.50
  5. Step 5: Solve for x
    x = 132,825,901,252,900.50/12,412,103.28
  6. Step 6: Final answer
    x = 10,701,320.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.