Home / 10,961,955.20-16,419,313.20-9,072,387.20

Finding the Fourth Proportional to 10,961,955.20, 16,419,313.20 and 9,072,387.20

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Solution

The fourth proportional to 10,961,955.20, 16,419,313.20 and 9,072,387.20 is: 13,589,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,955.20 : 16,419,313.20 = 9,072,387.20 : x
  2. Step 2: Convert to fraction form
    10,961,955.20/16,419,313.20 = 9,072,387.20/x
  3. Step 3: Cross multiply
    10,961,955.20x = 16,419,313.20 × 9,072,387.20
  4. Step 4: Simplify right side
    10,961,955.20x = 148,962,366,908,471.03
  5. Step 5: Solve for x
    x = 148,962,366,908,471.03/10,961,955.20
  6. Step 6: Final answer
    x = 13,589,032.63

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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.