Home / 18,811,089.32-25,959,521.16-10,438,631

Finding the Fourth Proportional to 18,811,089.32, 25,959,521.16 and 10,438,631

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Solution

The fourth proportional to 18,811,089.32, 25,959,521.16 and 10,438,631 is: 14,405,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811,089.32 : 25,959,521.16 = 10,438,631 : x
  2. Step 2: Convert to fraction form
    18,811,089.32/25,959,521.16 = 10,438,631/x
  3. Step 3: Cross multiply
    18,811,089.32x = 25,959,521.16 × 10,438,631
  4. Step 4: Simplify right side
    18,811,089.32x = 270,981,862,325,931.97
  5. Step 5: Solve for x
    x = 270,981,862,325,931.97/18,811,089.32
  6. Step 6: Final answer
    x = 14,405,431.70

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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.