Home / 21,543,133.59-29,729,482.12-11,753,584.25

Finding the Fourth Proportional to 21,543,133.59, 29,729,482.12 and 11,753,584.25

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Solution

The fourth proportional to 21,543,133.59, 29,729,482.12 and 11,753,584.25 is: 16,219,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543,133.59 : 29,729,482.12 = 11,753,584.25 : x
  2. Step 2: Convert to fraction form
    21,543,133.59/29,729,482.12 = 11,753,584.25/x
  3. Step 3: Cross multiply
    21,543,133.59x = 29,729,482.12 × 11,753,584.25
  4. Step 4: Simplify right side
    21,543,133.59x = 349,427,972,851,228.31
  5. Step 5: Solve for x
    x = 349,427,972,851,228.31/21,543,133.59
  6. Step 6: Final answer
    x = 16,219,923.22

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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.