Home / 10,531,904.30-15,797,856.45-7,340,633.90

Finding the Fourth Proportional to 10,531,904.30, 15,797,856.45 and 7,340,633.90

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Solution

The fourth proportional to 10,531,904.30, 15,797,856.45 and 7,340,633.90 is: 11,010,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,904.30 : 15,797,856.45 = 7,340,633.90 : x
  2. Step 2: Convert to fraction form
    10,531,904.30/15,797,856.45 = 7,340,633.90/x
  3. Step 3: Cross multiply
    10,531,904.30x = 15,797,856.45 × 7,340,633.90
  4. Step 4: Simplify right side
    10,531,904.30x = 115,966,280,604,203.66
  5. Step 5: Solve for x
    x = 115,966,280,604,203.66/10,531,904.30
  6. Step 6: Final answer
    x = 11,010,950.85

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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.