Home / 12,219,589.70-18,331,744.88-4,645,966.58

Finding the Fourth Proportional to 12,219,589.70, 18,331,744.88 and 4,645,966.58

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Solution

The fourth proportional to 12,219,589.70, 18,331,744.88 and 4,645,966.58 is: 6,969,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,589.70 : 18,331,744.88 = 4,645,966.58 : x
  2. Step 2: Convert to fraction form
    12,219,589.70/18,331,744.88 = 4,645,966.58/x
  3. Step 3: Cross multiply
    12,219,589.70x = 18,331,744.88 × 4,645,966.58
  4. Step 4: Simplify right side
    12,219,589.70x = 85,168,673,950,677.56
  5. Step 5: Solve for x
    x = 85,168,673,950,677.56/12,219,589.70
  6. Step 6: Final answer
    x = 6,969,847.28

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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.