Home / 20,348,051.55-30,522,077.33-18,434,863.95

Finding the Fourth Proportional to 20,348,051.55, 30,522,077.33 and 18,434,863.95

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Solution

The fourth proportional to 20,348,051.55, 30,522,077.33 and 18,434,863.95 is: 27,652,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,051.55 : 30,522,077.33 = 18,434,863.95 : x
  2. Step 2: Convert to fraction form
    20,348,051.55/30,522,077.33 = 18,434,863.95/x
  3. Step 3: Cross multiply
    20,348,051.55x = 30,522,077.33 × 18,434,863.95
  4. Step 4: Simplify right side
    20,348,051.55x = 562,670,342,957,754.88
  5. Step 5: Solve for x
    x = 562,670,342,957,754.88/20,348,051.55
  6. Step 6: Final answer
    x = 27,652,295.93

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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.