Home / 10,117,375.70-15,176,063.55-8,345,905.70

Finding the Fourth Proportional to 10,117,375.70, 15,176,063.55 and 8,345,905.70

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Solution

The fourth proportional to 10,117,375.70, 15,176,063.55 and 8,345,905.70 is: 12,518,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117,375.70 : 15,176,063.55 = 8,345,905.70 : x
  2. Step 2: Convert to fraction form
    10,117,375.70/15,176,063.55 = 8,345,905.70/x
  3. Step 3: Cross multiply
    10,117,375.70x = 15,176,063.55 × 8,345,905.70
  4. Step 4: Simplify right side
    10,117,375.70x = 126,657,995,285,507.25
  5. Step 5: Solve for x
    x = 126,657,995,285,507.25/10,117,375.70
  6. Step 6: Final answer
    x = 12,518,858.55

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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.