Home / 12,161,557.10-16,782,948.06-6,654,932.66

Finding the Fourth Proportional to 12,161,557.10, 16,782,948.06 and 6,654,932.66

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Solution

The fourth proportional to 12,161,557.10, 16,782,948.06 and 6,654,932.66 is: 9,183,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,557.10 : 16,782,948.06 = 6,654,932.66 : x
  2. Step 2: Convert to fraction form
    12,161,557.10/16,782,948.06 = 6,654,932.66/x
  3. Step 3: Cross multiply
    12,161,557.10x = 16,782,948.06 × 6,654,932.66
  4. Step 4: Simplify right side
    12,161,557.10x = 111,689,389,175,577.64
  5. Step 5: Solve for x
    x = 111,689,389,175,577.64/12,161,557.10
  6. Step 6: Final answer
    x = 9,183,806.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.