Home / 12,789,505.60-19,205,253.60-8,548,475.20

Finding the Fourth Proportional to 12,789,505.60, 19,205,253.60 and 8,548,475.20

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Solution

The fourth proportional to 12,789,505.60, 19,205,253.60 and 8,548,475.20 is: 12,836,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,505.60 : 19,205,253.60 = 8,548,475.20 : x
  2. Step 2: Convert to fraction form
    12,789,505.60/19,205,253.60 = 8,548,475.20/x
  3. Step 3: Cross multiply
    12,789,505.60x = 19,205,253.60 × 8,548,475.20
  4. Step 4: Simplify right side
    12,789,505.60x = 164,175,634,109,310.72
  5. Step 5: Solve for x
    x = 164,175,634,109,310.72/12,789,505.60
  6. Step 6: Final answer
    x = 12,836,745.94

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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.