Home / 15,135,395.04-20,886,649.20-9,253,064.88

Finding the Fourth Proportional to 15,135,395.04, 20,886,649.20 and 9,253,064.88

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Solution

The fourth proportional to 15,135,395.04, 20,886,649.20 and 9,253,064.88 is: 12,769,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,395.04 : 20,886,649.20 = 9,253,064.88 : x
  2. Step 2: Convert to fraction form
    15,135,395.04/20,886,649.20 = 9,253,064.88/x
  3. Step 3: Cross multiply
    15,135,395.04x = 20,886,649.20 × 9,253,064.88
  4. Step 4: Simplify right side
    15,135,395.04x = 193,265,520,173,400.09
  5. Step 5: Solve for x
    x = 193,265,520,173,400.09/15,135,395.04
  6. Step 6: Final answer
    x = 12,769,109.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.