Home / 8,991,026.70-13,486,540.05-5,148,905.10

Finding the Fourth Proportional to 8,991,026.70, 13,486,540.05 and 5,148,905.10

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Solution

The fourth proportional to 8,991,026.70, 13,486,540.05 and 5,148,905.10 is: 7,723,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,026.70 : 13,486,540.05 = 5,148,905.10 : x
  2. Step 2: Convert to fraction form
    8,991,026.70/13,486,540.05 = 5,148,905.10/x
  3. Step 3: Cross multiply
    8,991,026.70x = 13,486,540.05 × 5,148,905.10
  4. Step 4: Simplify right side
    8,991,026.70x = 69,440,914,844,799.25
  5. Step 5: Solve for x
    x = 69,440,914,844,799.25/8,991,026.70
  6. Step 6: Final answer
    x = 7,723,357.65

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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.