Home / 12,561,815.40-18,846,003.60-4,042,356.90

Finding the Fourth Proportional to 12,561,815.40, 18,846,003.60 and 4,042,356.90

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Solution

The fourth proportional to 12,561,815.40, 18,846,003.60 and 4,042,356.90 is: 6,064,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,815.40 : 18,846,003.60 = 4,042,356.90 : x
  2. Step 2: Convert to fraction form
    12,561,815.40/18,846,003.60 = 4,042,356.90/x
  3. Step 3: Cross multiply
    12,561,815.40x = 18,846,003.60 × 4,042,356.90
  4. Step 4: Simplify right side
    12,561,815.40x = 76,182,272,689,884.84
  5. Step 5: Solve for x
    x = 76,182,272,689,884.84/12,561,815.40
  6. Step 6: Final answer
    x = 6,064,591.01

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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.