Home / 13,674,359.62-18,876,426.70-8,520,267.65

Finding the Fourth Proportional to 13,674,359.62, 18,876,426.70 and 8,520,267.65

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Solution

The fourth proportional to 13,674,359.62, 18,876,426.70 and 8,520,267.65 is: 11,761,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,359.62 : 18,876,426.70 = 8,520,267.65 : x
  2. Step 2: Convert to fraction form
    13,674,359.62/18,876,426.70 = 8,520,267.65/x
  3. Step 3: Cross multiply
    13,674,359.62x = 18,876,426.70 × 8,520,267.65
  4. Step 4: Simplify right side
    13,674,359.62x = 160,832,207,759,606.25
  5. Step 5: Solve for x
    x = 160,832,207,759,606.25/13,674,359.62
  6. Step 6: Final answer
    x = 11,761,589.74

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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.