Home / 10,008,818.87-15,013,230.35-2,819,418.59

Finding the Fourth Proportional to 10,008,818.87, 15,013,230.35 and 2,819,418.59

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Solution

The fourth proportional to 10,008,818.87, 15,013,230.35 and 2,819,418.59 is: 4,229,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,818.87 : 15,013,230.35 = 2,819,418.59 : x
  2. Step 2: Convert to fraction form
    10,008,818.87/15,013,230.35 = 2,819,418.59/x
  3. Step 3: Cross multiply
    10,008,818.87x = 15,013,230.35 × 2,819,418.59
  4. Step 4: Simplify right side
    10,008,818.87x = 42,328,580,744,742.20
  5. Step 5: Solve for x
    x = 42,328,580,744,742.20/10,008,818.87
  6. Step 6: Final answer
    x = 4,229,128.46

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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.