Home / 10,328,338.80-15,493,091.40-3,140,107.20

Finding the Fourth Proportional to 10,328,338.80, 15,493,091.40 and 3,140,107.20

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Solution

The fourth proportional to 10,328,338.80, 15,493,091.40 and 3,140,107.20 is: 4,710,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,338.80 : 15,493,091.40 = 3,140,107.20 : x
  2. Step 2: Convert to fraction form
    10,328,338.80/15,493,091.40 = 3,140,107.20/x
  3. Step 3: Cross multiply
    10,328,338.80x = 15,493,091.40 × 3,140,107.20
  4. Step 4: Simplify right side
    10,328,338.80x = 48,649,967,855,398.09
  5. Step 5: Solve for x
    x = 48,649,967,855,398.09/10,328,338.80
  6. Step 6: Final answer
    x = 4,710,338.11

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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.