Home / 16,786,001.80-25,179,002.70-15,386,321.80

Finding the Fourth Proportional to 16,786,001.80, 25,179,002.70 and 15,386,321.80

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Solution

The fourth proportional to 16,786,001.80, 25,179,002.70 and 15,386,321.80 is: 23,079,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,001.80 : 25,179,002.70 = 15,386,321.80 : x
  2. Step 2: Convert to fraction form
    16,786,001.80/25,179,002.70 = 15,386,321.80/x
  3. Step 3: Cross multiply
    16,786,001.80x = 25,179,002.70 × 15,386,321.80
  4. Step 4: Simplify right side
    16,786,001.80x = 387,412,238,145,268.88
  5. Step 5: Solve for x
    x = 387,412,238,145,268.88/16,786,001.80
  6. Step 6: Final answer
    x = 23,079,482.70

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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.