Home / 13,517,897.74-20,278,093.20-4,420,041.98

Finding the Fourth Proportional to 13,517,897.74, 20,278,093.20 and 4,420,041.98

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Solution

The fourth proportional to 13,517,897.74, 20,278,093.20 and 4,420,041.98 is: 6,630,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517,897.74 : 20,278,093.20 = 4,420,041.98 : x
  2. Step 2: Convert to fraction form
    13,517,897.74/20,278,093.20 = 4,420,041.98/x
  3. Step 3: Cross multiply
    13,517,897.74x = 20,278,093.20 × 4,420,041.98
  4. Step 4: Simplify right side
    13,517,897.74x = 89,630,023,218,352.55
  5. Step 5: Solve for x
    x = 89,630,023,218,352.55/13,517,897.74
  6. Step 6: Final answer
    x = 6,630,470.58

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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.