Home / 10,385,561.22-15,564,416.77-8,082,834.87

Finding the Fourth Proportional to 10,385,561.22, 15,564,416.77 and 8,082,834.87

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Solution

The fourth proportional to 10,385,561.22, 15,564,416.77 and 8,082,834.87 is: 12,113,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,561.22 : 15,564,416.77 = 8,082,834.87 : x
  2. Step 2: Convert to fraction form
    10,385,561.22/15,564,416.77 = 8,082,834.87/x
  3. Step 3: Cross multiply
    10,385,561.22x = 15,564,416.77 × 8,082,834.87
  4. Step 4: Simplify right side
    10,385,561.22x = 125,804,610,599,768.77
  5. Step 5: Solve for x
    x = 125,804,610,599,768.77/10,385,561.22
  6. Step 6: Final answer
    x = 12,113,414.76

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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.