Home / 12,161,538.20-16,782,922.02-6,654,913.71

Finding the Fourth Proportional to 12,161,538.20, 16,782,922.02 and 6,654,913.71

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Solution

The fourth proportional to 12,161,538.20, 16,782,922.02 and 6,654,913.71 is: 9,183,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,538.20 : 16,782,922.02 = 6,654,913.71 : x
  2. Step 2: Convert to fraction form
    12,161,538.20/16,782,922.02 = 6,654,913.71/x
  3. Step 3: Cross multiply
    12,161,538.20x = 16,782,922.02 × 6,654,913.71
  4. Step 4: Simplify right side
    12,161,538.20x = 111,688,897,863,748.92
  5. Step 5: Solve for x
    x = 111,688,897,863,748.92/12,161,538.20
  6. Step 6: Final answer
    x = 9,183,780.54

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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.