Home / 10,388,770.68-15,583,156.20-2,815,736.46

Finding the Fourth Proportional to 10,388,770.68, 15,583,156.20 and 2,815,736.46

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Solution

The fourth proportional to 10,388,770.68, 15,583,156.20 and 2,815,736.46 is: 4,223,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,770.68 : 15,583,156.20 = 2,815,736.46 : x
  2. Step 2: Convert to fraction form
    10,388,770.68/15,583,156.20 = 2,815,736.46/x
  3. Step 3: Cross multiply
    10,388,770.68x = 15,583,156.20 × 2,815,736.46
  4. Step 4: Simplify right side
    10,388,770.68x = 43,878,061,074,215.05
  5. Step 5: Solve for x
    x = 43,878,061,074,215.05/10,388,770.68
  6. Step 6: Final answer
    x = 4,223,604.74

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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.