Home / 20,700,040.85-28,546,680.12-16,359,496.55

Finding the Fourth Proportional to 20,700,040.85, 28,546,680.12 and 16,359,496.55

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Solution

The fourth proportional to 20,700,040.85, 28,546,680.12 and 16,359,496.55 is: 22,560,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,040.85 : 28,546,680.12 = 16,359,496.55 : x
  2. Step 2: Convert to fraction form
    20,700,040.85/28,546,680.12 = 16,359,496.55/x
  3. Step 3: Cross multiply
    20,700,040.85x = 28,546,680.12 × 16,359,496.55
  4. Step 4: Simplify right side
    20,700,040.85x = 467,009,314,937,093.62
  5. Step 5: Solve for x
    x = 467,009,314,937,093.62/20,700,040.85
  6. Step 6: Final answer
    x = 22,560,791.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.