Home / 10,388,078.30-15,582,900.92-3,100,962.71

Finding the Fourth Proportional to 10,388,078.30, 15,582,900.92 and 3,100,962.71

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Solution

The fourth proportional to 10,388,078.30, 15,582,900.92 and 3,100,962.71 is: 4,651,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,078.30 : 15,582,900.92 = 3,100,962.71 : x
  2. Step 2: Convert to fraction form
    10,388,078.30/15,582,900.92 = 3,100,962.71/x
  3. Step 3: Cross multiply
    10,388,078.30x = 15,582,900.92 × 3,100,962.71
  4. Step 4: Simplify right side
    10,388,078.30x = 48,321,994,573,125.38
  5. Step 5: Solve for x
    x = 48,321,994,573,125.38/10,388,078.30
  6. Step 6: Final answer
    x = 4,651,677.93

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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.