Home / 8,238,049.60-12,358,240.80-2,557,681.60

Finding the Fourth Proportional to 8,238,049.60, 12,358,240.80 and 2,557,681.60

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Solution

The fourth proportional to 8,238,049.60, 12,358,240.80 and 2,557,681.60 is: 3,836,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,049.60 : 12,358,240.80 = 2,557,681.60 : x
  2. Step 2: Convert to fraction form
    8,238,049.60/12,358,240.80 = 2,557,681.60/x
  3. Step 3: Cross multiply
    8,238,049.60x = 12,358,240.80 × 2,557,681.60
  4. Step 4: Simplify right side
    8,238,049.60x = 31,608,445,102,529.28
  5. Step 5: Solve for x
    x = 31,608,445,102,529.28/8,238,049.60
  6. Step 6: Final answer
    x = 3,836,884.53

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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.