Home / 14,145,944.80-19,521,139.44-7,866,857.20

Finding the Fourth Proportional to 14,145,944.80, 19,521,139.44 and 7,866,857.20

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Solution

The fourth proportional to 14,145,944.80, 19,521,139.44 and 7,866,857.20 is: 10,856,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145,944.80 : 19,521,139.44 = 7,866,857.20 : x
  2. Step 2: Convert to fraction form
    14,145,944.80/19,521,139.44 = 7,866,857.20/x
  3. Step 3: Cross multiply
    14,145,944.80x = 19,521,139.44 × 7,866,857.20
  4. Step 4: Simplify right side
    14,145,944.80x = 153,570,016,355,767.97
  5. Step 5: Solve for x
    x = 153,570,016,355,767.97/14,145,944.80
  6. Step 6: Final answer
    x = 10,856,115.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.