Home / 12,161,522.88-16,782,901.05-6,654,898.19

Finding the Fourth Proportional to 12,161,522.88, 16,782,901.05 and 6,654,898.19

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Solution

The fourth proportional to 12,161,522.88, 16,782,901.05 and 6,654,898.19 is: 9,183,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,522.88 : 16,782,901.05 = 6,654,898.19 : x
  2. Step 2: Convert to fraction form
    12,161,522.88/16,782,901.05 = 6,654,898.19/x
  3. Step 3: Cross multiply
    12,161,522.88x = 16,782,901.05 × 6,654,898.19
  4. Step 4: Simplify right side
    12,161,522.88x = 111,688,497,787,319.62
  5. Step 5: Solve for x
    x = 111,688,497,787,319.62/12,161,522.88
  6. Step 6: Final answer
    x = 9,183,759.21

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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.