Home / 28,472,121.60-42,704,035.20-8,275,257.60

Finding the Fourth Proportional to 28,472,121.60, 42,704,035.20 and 8,275,257.60

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Solution

The fourth proportional to 28,472,121.60, 42,704,035.20 and 8,275,257.60 is: 12,411,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,121.60 : 42,704,035.20 = 8,275,257.60 : x
  2. Step 2: Convert to fraction form
    28,472,121.60/42,704,035.20 = 8,275,257.60/x
  3. Step 3: Cross multiply
    28,472,121.60x = 42,704,035.20 × 8,275,257.60
  4. Step 4: Simplify right side
    28,472,121.60x = 353,386,891,839,467.50
  5. Step 5: Solve for x
    x = 353,386,891,839,467.50/28,472,121.60
  6. Step 6: Final answer
    x = 12,411,681.04

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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.