Home / 10,991,780.52-16,489,168.02-3,801,384.60

Finding the Fourth Proportional to 10,991,780.52, 16,489,168.02 and 3,801,384.60

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Solution

The fourth proportional to 10,991,780.52, 16,489,168.02 and 3,801,384.60 is: 5,702,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,780.52 : 16,489,168.02 = 3,801,384.60 : x
  2. Step 2: Convert to fraction form
    10,991,780.52/16,489,168.02 = 3,801,384.60/x
  3. Step 3: Cross multiply
    10,991,780.52x = 16,489,168.02 × 3,801,384.60
  4. Step 4: Simplify right side
    10,991,780.52x = 62,681,669,378,040.49
  5. Step 5: Solve for x
    x = 62,681,669,378,040.49/10,991,780.52
  6. Step 6: Final answer
    x = 5,702,594.70

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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.