Home / 9,966,589.20-14,949,883.80-5,661,917.10

Finding the Fourth Proportional to 9,966,589.20, 14,949,883.80 and 5,661,917.10

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Solution

The fourth proportional to 9,966,589.20, 14,949,883.80 and 5,661,917.10 is: 8,492,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,589.20 : 14,949,883.80 = 5,661,917.10 : x
  2. Step 2: Convert to fraction form
    9,966,589.20/14,949,883.80 = 5,661,917.10/x
  3. Step 3: Cross multiply
    9,966,589.20x = 14,949,883.80 × 5,661,917.10
  4. Step 4: Simplify right side
    9,966,589.20x = 84,645,002,730,232.98
  5. Step 5: Solve for x
    x = 84,645,002,730,232.98/9,966,589.20
  6. Step 6: Final answer
    x = 8,492,875.65

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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.