Home / 20,348,031.30-30,522,046.95-18,434,843.70

Finding the Fourth Proportional to 20,348,031.30, 30,522,046.95 and 18,434,843.70

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Solution

The fourth proportional to 20,348,031.30, 30,522,046.95 and 18,434,843.70 is: 27,652,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,031.30 : 30,522,046.95 = 18,434,843.70 : x
  2. Step 2: Convert to fraction form
    20,348,031.30/30,522,046.95 = 18,434,843.70/x
  3. Step 3: Cross multiply
    20,348,031.30x = 30,522,046.95 × 18,434,843.70
  4. Step 4: Simplify right side
    20,348,031.30x = 562,669,164,927,311.69
  5. Step 5: Solve for x
    x = 562,669,164,927,311.69/20,348,031.30
  6. Step 6: Final answer
    x = 27,652,265.55

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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.