Home / 12,332,242.80-18,498,364.20-11,492,434.80

Finding the Fourth Proportional to 12,332,242.80, 18,498,364.20 and 11,492,434.80

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Solution

The fourth proportional to 12,332,242.80, 18,498,364.20 and 11,492,434.80 is: 17,238,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,242.80 : 18,498,364.20 = 11,492,434.80 : x
  2. Step 2: Convert to fraction form
    12,332,242.80/18,498,364.20 = 11,492,434.80/x
  3. Step 3: Cross multiply
    12,332,242.80x = 18,498,364.20 × 11,492,434.80
  4. Step 4: Simplify right side
    12,332,242.80x = 212,591,244,475,154.16
  5. Step 5: Solve for x
    x = 212,591,244,475,154.16/12,332,242.80
  6. Step 6: Final answer
    x = 17,238,652.20

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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.