Home / 14,442,235.40-19,930,243.77-7,915,844.66

Finding the Fourth Proportional to 14,442,235.40, 19,930,243.77 and 7,915,844.66

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Solution

The fourth proportional to 14,442,235.40, 19,930,243.77 and 7,915,844.66 is: 10,923,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442,235.40 : 19,930,243.77 = 7,915,844.66 : x
  2. Step 2: Convert to fraction form
    14,442,235.40/19,930,243.77 = 7,915,844.66/x
  3. Step 3: Cross multiply
    14,442,235.40x = 19,930,243.77 × 7,915,844.66
  4. Step 4: Simplify right side
    14,442,235.40x = 157,764,713,719,252.78
  5. Step 5: Solve for x
    x = 157,764,713,719,252.78/14,442,235.40
  6. Step 6: Final answer
    x = 10,923,843.11

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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.