Home / 18,152,891.70-27,229,337.55-6,638,336.70

Finding the Fourth Proportional to 18,152,891.70, 27,229,337.55 and 6,638,336.70

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Solution

The fourth proportional to 18,152,891.70, 27,229,337.55 and 6,638,336.70 is: 9,957,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,891.70 : 27,229,337.55 = 6,638,336.70 : x
  2. Step 2: Convert to fraction form
    18,152,891.70/27,229,337.55 = 6,638,336.70/x
  3. Step 3: Cross multiply
    18,152,891.70x = 27,229,337.55 × 6,638,336.70
  4. Step 4: Simplify right side
    18,152,891.70x = 180,757,510,774,853.09
  5. Step 5: Solve for x
    x = 180,757,510,774,853.09/18,152,891.70
  6. Step 6: Final answer
    x = 9,957,505.05

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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.