Home / 12,456,546.40-18,684,819.60-10,441,007.20

Finding the Fourth Proportional to 12,456,546.40, 18,684,819.60 and 10,441,007.20

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Solution

The fourth proportional to 12,456,546.40, 18,684,819.60 and 10,441,007.20 is: 15,661,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,546.40 : 18,684,819.60 = 10,441,007.20 : x
  2. Step 2: Convert to fraction form
    12,456,546.40/18,684,819.60 = 10,441,007.20/x
  3. Step 3: Cross multiply
    12,456,546.40x = 18,684,819.60 × 10,441,007.20
  4. Step 4: Simplify right side
    12,456,546.40x = 195,088,335,974,301.12
  5. Step 5: Solve for x
    x = 195,088,335,974,301.12/12,456,546.40
  6. Step 6: Final answer
    x = 15,661,510.80

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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.