Home / 12,946,238.40-19,419,357.60-6,576,139.20

Finding the Fourth Proportional to 12,946,238.40, 19,419,357.60 and 6,576,139.20

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Solution

The fourth proportional to 12,946,238.40, 19,419,357.60 and 6,576,139.20 is: 9,864,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,238.40 : 19,419,357.60 = 6,576,139.20 : x
  2. Step 2: Convert to fraction form
    12,946,238.40/19,419,357.60 = 6,576,139.20/x
  3. Step 3: Cross multiply
    12,946,238.40x = 19,419,357.60 × 6,576,139.20
  4. Step 4: Simplify right side
    12,946,238.40x = 127,704,398,752,177.94
  5. Step 5: Solve for x
    x = 127,704,398,752,177.94/12,946,238.40
  6. Step 6: Final answer
    x = 9,864,208.80

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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.