Home / 10,211,030.70-15,316,546.05-5,416,251.90

Finding the Fourth Proportional to 10,211,030.70, 15,316,546.05 and 5,416,251.90

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Solution

The fourth proportional to 10,211,030.70, 15,316,546.05 and 5,416,251.90 is: 8,124,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,030.70 : 15,316,546.05 = 5,416,251.90 : x
  2. Step 2: Convert to fraction form
    10,211,030.70/15,316,546.05 = 5,416,251.90/x
  3. Step 3: Cross multiply
    10,211,030.70x = 15,316,546.05 × 5,416,251.90
  4. Step 4: Simplify right side
    10,211,030.70x = 82,958,271,644,750
  5. Step 5: Solve for x
    x = 82,958,271,644,750/10,211,030.70
  6. Step 6: Final answer
    x = 8,124,377.85

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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.