Home / 12,553,560.28-18,830,340.78-3,577,879

Finding the Fourth Proportional to 12,553,560.28, 18,830,340.78 and 3,577,879

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Solution

The fourth proportional to 12,553,560.28, 18,830,340.78 and 3,577,879 is: 5,366,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,560.28 : 18,830,340.78 = 3,577,879 : x
  2. Step 2: Convert to fraction form
    12,553,560.28/18,830,340.78 = 3,577,879/x
  3. Step 3: Cross multiply
    12,553,560.28x = 18,830,340.78 × 3,577,879
  4. Step 4: Simplify right side
    12,553,560.28x = 67,372,680,839,605.62
  5. Step 5: Solve for x
    x = 67,372,680,839,605.62/12,553,560.28
  6. Step 6: Final answer
    x = 5,366,818.60

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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.