Home / 10,169,731.20-15,254,596.80-3,438,145.20

Finding the Fourth Proportional to 10,169,731.20, 15,254,596.80 and 3,438,145.20

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Solution

The fourth proportional to 10,169,731.20, 15,254,596.80 and 3,438,145.20 is: 5,157,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169,731.20 : 15,254,596.80 = 3,438,145.20 : x
  2. Step 2: Convert to fraction form
    10,169,731.20/15,254,596.80 = 3,438,145.20/x
  3. Step 3: Cross multiply
    10,169,731.20x = 15,254,596.80 × 3,438,145.20
  4. Step 4: Simplify right side
    10,169,731.20x = 52,447,518,765,855.37
  5. Step 5: Solve for x
    x = 52,447,518,765,855.37/10,169,731.20
  6. Step 6: Final answer
    x = 5,157,217.80

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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.