Home / 12,252,032.70-18,378,049.05-8,850,810.30

Finding the Fourth Proportional to 12,252,032.70, 18,378,049.05 and 8,850,810.30

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Solution

The fourth proportional to 12,252,032.70, 18,378,049.05 and 8,850,810.30 is: 13,276,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,032.70 : 18,378,049.05 = 8,850,810.30 : x
  2. Step 2: Convert to fraction form
    12,252,032.70/18,378,049.05 = 8,850,810.30/x
  3. Step 3: Cross multiply
    12,252,032.70x = 18,378,049.05 × 8,850,810.30
  4. Step 4: Simplify right side
    12,252,032.70x = 162,660,625,825,645.25
  5. Step 5: Solve for x
    x = 162,660,625,825,645.25/12,252,032.70
  6. Step 6: Final answer
    x = 13,276,215.45

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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.