Home / 10,921,842.60-16,361,874.30-5,871,474.60

Finding the Fourth Proportional to 10,921,842.60, 16,361,874.30 and 5,871,474.60

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Solution

The fourth proportional to 10,921,842.60, 16,361,874.30 and 5,871,474.60 is: 8,795,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,842.60 : 16,361,874.30 = 5,871,474.60 : x
  2. Step 2: Convert to fraction form
    10,921,842.60/16,361,874.30 = 5,871,474.60/x
  3. Step 3: Cross multiply
    10,921,842.60x = 16,361,874.30 × 5,871,474.60
  4. Step 4: Simplify right side
    10,921,842.60x = 96,068,329,360,842.78
  5. Step 5: Solve for x
    x = 96,068,329,360,842.78/10,921,842.60
  6. Step 6: Final answer
    x = 8,795,981.86

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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.