Home / 20,304,047.70-30,456,071.55-17,280,738.90

Finding the Fourth Proportional to 20,304,047.70, 30,456,071.55 and 17,280,738.90

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Solution

The fourth proportional to 20,304,047.70, 30,456,071.55 and 17,280,738.90 is: 25,921,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,047.70 : 30,456,071.55 = 17,280,738.90 : x
  2. Step 2: Convert to fraction form
    20,304,047.70/30,456,071.55 = 17,280,738.90/x
  3. Step 3: Cross multiply
    20,304,047.70x = 30,456,071.55 × 17,280,738.90
  4. Step 4: Simplify right side
    20,304,047.70x = 526,303,420,375,268.25
  5. Step 5: Solve for x
    x = 526,303,420,375,268.25/20,304,047.70
  6. Step 6: Final answer
    x = 25,921,108.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.