Home / 9,966,440.30-14,949,660.45-8,372,117.30

Finding the Fourth Proportional to 9,966,440.30, 14,949,660.45 and 8,372,117.30

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Solution

The fourth proportional to 9,966,440.30, 14,949,660.45 and 8,372,117.30 is: 12,558,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,440.30 : 14,949,660.45 = 8,372,117.30 : x
  2. Step 2: Convert to fraction form
    9,966,440.30/14,949,660.45 = 8,372,117.30/x
  3. Step 3: Cross multiply
    9,966,440.30x = 14,949,660.45 × 8,372,117.30
  4. Step 4: Simplify right side
    9,966,440.30x = 125,160,310,882,570.78
  5. Step 5: Solve for x
    x = 125,160,310,882,570.78/9,966,440.30
  6. Step 6: Final answer
    x = 12,558,175.95

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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.