Home / 9,571,921.41-13,209,293.10-5,221,101.18

Finding the Fourth Proportional to 9,571,921.41, 13,209,293.10 and 5,221,101.18

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Solution

The fourth proportional to 9,571,921.41, 13,209,293.10 and 5,221,101.18 is: 7,205,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571,921.41 : 13,209,293.10 = 5,221,101.18 : x
  2. Step 2: Convert to fraction form
    9,571,921.41/13,209,293.10 = 5,221,101.18/x
  3. Step 3: Cross multiply
    9,571,921.41x = 13,209,293.10 × 5,221,101.18
  4. Step 4: Simplify right side
    9,571,921.41x = 68,967,055,791,375.85
  5. Step 5: Solve for x
    x = 68,967,055,791,375.85/9,571,921.41
  6. Step 6: Final answer
    x = 7,205,142.29

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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.