Home / 10,154,508.78-15,232,255.32-3,330,478.28

Finding the Fourth Proportional to 10,154,508.78, 15,232,255.32 and 3,330,478.28

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Solution

The fourth proportional to 10,154,508.78, 15,232,255.32 and 3,330,478.28 is: 4,995,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154,508.78 : 15,232,255.32 = 3,330,478.28 : x
  2. Step 2: Convert to fraction form
    10,154,508.78/15,232,255.32 = 3,330,478.28/x
  3. Step 3: Cross multiply
    10,154,508.78x = 15,232,255.32 × 3,330,478.28
  4. Step 4: Simplify right side
    10,154,508.78x = 50,730,695,498,674.45
  5. Step 5: Solve for x
    x = 50,730,695,498,674.45/10,154,508.78
  6. Step 6: Final answer
    x = 4,995,878.84

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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.