Home / 12,522,039.40-18,805,868.70-10,954,397.80

Finding the Fourth Proportional to 12,522,039.40, 18,805,868.70 and 10,954,397.80

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Solution

The fourth proportional to 12,522,039.40, 18,805,868.70 and 10,954,397.80 is: 16,451,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,039.40 : 18,805,868.70 = 10,954,397.80 : x
  2. Step 2: Convert to fraction form
    12,522,039.40/18,805,868.70 = 10,954,397.80/x
  3. Step 3: Cross multiply
    12,522,039.40x = 18,805,868.70 × 10,954,397.80
  4. Step 4: Simplify right side
    12,522,039.40x = 206,006,966,714,368.88
  5. Step 5: Solve for x
    x = 206,006,966,714,368.88/12,522,039.40
  6. Step 6: Final answer
    x = 16,451,550.75

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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.