Home / 14,176,713.78-19,563,963.42-8,065,142.28

Finding the Fourth Proportional to 14,176,713.78, 19,563,963.42 and 8,065,142.28

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Solution

The fourth proportional to 14,176,713.78, 19,563,963.42 and 8,065,142.28 is: 11,129,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176,713.78 : 19,563,963.42 = 8,065,142.28 : x
  2. Step 2: Convert to fraction form
    14,176,713.78/19,563,963.42 = 8,065,142.28/x
  3. Step 3: Cross multiply
    14,176,713.78x = 19,563,963.42 × 8,065,142.28
  4. Step 4: Simplify right side
    14,176,713.78x = 157,786,148,543,015.41
  5. Step 5: Solve for x
    x = 157,786,148,543,015.41/14,176,713.78
  6. Step 6: Final answer
    x = 11,129,952.33

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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.