Home / 11,278,334.72-15,564,119.28-6,121,697.60

Finding the Fourth Proportional to 11,278,334.72, 15,564,119.28 and 6,121,697.60

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Solution

The fourth proportional to 11,278,334.72, 15,564,119.28 and 6,121,697.60 is: 8,447,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,334.72 : 15,564,119.28 = 6,121,697.60 : x
  2. Step 2: Convert to fraction form
    11,278,334.72/15,564,119.28 = 6,121,697.60/x
  3. Step 3: Cross multiply
    11,278,334.72x = 15,564,119.28 × 6,121,697.60
  4. Step 4: Simplify right side
    11,278,334.72x = 95,278,831,642,489.72
  5. Step 5: Solve for x
    x = 95,278,831,642,489.72/11,278,334.72
  6. Step 6: Final answer
    x = 8,447,952.11

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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.