Home / 10,645,011.18-15,967,515-2,557,986.78

Finding the Fourth Proportional to 10,645,011.18, 15,967,515 and 2,557,986.78

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Solution

The fourth proportional to 10,645,011.18, 15,967,515 and 2,557,986.78 is: 3,836,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645,011.18 : 15,967,515 = 2,557,986.78 : x
  2. Step 2: Convert to fraction form
    10,645,011.18/15,967,515 = 2,557,986.78/x
  3. Step 3: Cross multiply
    10,645,011.18x = 15,967,515 × 2,557,986.78
  4. Step 4: Simplify right side
    10,645,011.18x = 40,844,692,279,451.70
  5. Step 5: Solve for x
    x = 40,844,692,279,451.70/10,645,011.18
  6. Step 6: Final answer
    x = 3,836,979.74

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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.