Home / 12,484,799.28-18,727,198.88-3,509,351.28

Finding the Fourth Proportional to 12,484,799.28, 18,727,198.88 and 3,509,351.28

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Solution

The fourth proportional to 12,484,799.28, 18,727,198.88 and 3,509,351.28 is: 5,264,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,799.28 : 18,727,198.88 = 3,509,351.28 : x
  2. Step 2: Convert to fraction form
    12,484,799.28/18,727,198.88 = 3,509,351.28/x
  3. Step 3: Cross multiply
    12,484,799.28x = 18,727,198.88 × 3,509,351.28
  4. Step 4: Simplify right side
    12,484,799.28x = 65,720,319,360,342.56
  5. Step 5: Solve for x
    x = 65,720,319,360,342.56/12,484,799.28
  6. Step 6: Final answer
    x = 5,264,026.91

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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.