Home / 10,556,819.80-15,835,229.70-9,339,098.20

Finding the Fourth Proportional to 10,556,819.80, 15,835,229.70 and 9,339,098.20

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Solution

The fourth proportional to 10,556,819.80, 15,835,229.70 and 9,339,098.20 is: 14,008,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556,819.80 : 15,835,229.70 = 9,339,098.20 : x
  2. Step 2: Convert to fraction form
    10,556,819.80/15,835,229.70 = 9,339,098.20/x
  3. Step 3: Cross multiply
    10,556,819.80x = 15,835,229.70 × 9,339,098.20
  4. Step 4: Simplify right side
    10,556,819.80x = 147,886,765,187,856.53
  5. Step 5: Solve for x
    x = 147,886,765,187,856.53/10,556,819.80
  6. Step 6: Final answer
    x = 14,008,647.30

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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.