Home / 12,161,523.55-16,782,901.98-6,654,898.87

Finding the Fourth Proportional to 12,161,523.55, 16,782,901.98 and 6,654,898.87

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Solution

The fourth proportional to 12,161,523.55, 16,782,901.98 and 6,654,898.87 is: 9,183,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,523.55 : 16,782,901.98 = 6,654,898.87 : x
  2. Step 2: Convert to fraction form
    12,161,523.55/16,782,901.98 = 6,654,898.87/x
  3. Step 3: Cross multiply
    12,161,523.55x = 16,782,901.98 × 6,654,898.87
  4. Step 4: Simplify right side
    12,161,523.55x = 111,688,515,422,022.77
  5. Step 5: Solve for x
    x = 111,688,515,422,022.77/12,161,523.55
  6. Step 6: Final answer
    x = 9,183,760.16

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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.