Home / 27,454,021.52-37,889,909.78-15,851,565.54

Finding the Fourth Proportional to 27,454,021.52, 37,889,909.78 and 15,851,565.54

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Solution

The fourth proportional to 27,454,021.52, 37,889,909.78 and 15,851,565.54 is: 21,877,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,454,021.52 : 37,889,909.78 = 15,851,565.54 : x
  2. Step 2: Convert to fraction form
    27,454,021.52/37,889,909.78 = 15,851,565.54/x
  3. Step 3: Cross multiply
    27,454,021.52x = 37,889,909.78 × 15,851,565.54
  4. Step 4: Simplify right side
    27,454,021.52x = 600,614,388,103,099.12
  5. Step 5: Solve for x
    x = 600,614,388,103,099.12/27,454,021.52
  6. Step 6: Final answer
    x = 21,877,100.51

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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.