Home / 8,518,055.22-12,756,713.85-4,912,892.82

Finding the Fourth Proportional to 8,518,055.22, 12,756,713.85 and 4,912,892.82

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Solution

The fourth proportional to 8,518,055.22, 12,756,713.85 and 4,912,892.82 is: 7,357,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,055.22 : 12,756,713.85 = 4,912,892.82 : x
  2. Step 2: Convert to fraction form
    8,518,055.22/12,756,713.85 = 4,912,892.82/x
  3. Step 3: Cross multiply
    8,518,055.22x = 12,756,713.85 × 4,912,892.82
  4. Step 4: Simplify right side
    8,518,055.22x = 62,672,367,880,459.56
  5. Step 5: Solve for x
    x = 62,672,367,880,459.56/8,518,055.22
  6. Step 6: Final answer
    x = 7,357,591.17

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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.