Home / 14,739,523.87-20,340,336.18-8,213,428.39

Finding the Fourth Proportional to 14,739,523.87, 20,340,336.18 and 8,213,428.39

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Solution

The fourth proportional to 14,739,523.87, 20,340,336.18 and 8,213,428.39 is: 11,334,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739,523.87 : 20,340,336.18 = 8,213,428.39 : x
  2. Step 2: Convert to fraction form
    14,739,523.87/20,340,336.18 = 8,213,428.39/x
  3. Step 3: Cross multiply
    14,739,523.87x = 20,340,336.18 × 8,213,428.39
  4. Step 4: Simplify right side
    14,739,523.87x = 167,063,894,642,956.16
  5. Step 5: Solve for x
    x = 167,063,894,642,956.16/14,739,523.87
  6. Step 6: Final answer
    x = 11,334,415.96

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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.