Home / 15,202,203.04-20,979,381.20-8,675,702.56

Finding the Fourth Proportional to 15,202,203.04, 20,979,381.20 and 8,675,702.56

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Solution

The fourth proportional to 15,202,203.04, 20,979,381.20 and 8,675,702.56 is: 11,972,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,203.04 : 20,979,381.20 = 8,675,702.56 : x
  2. Step 2: Convert to fraction form
    15,202,203.04/20,979,381.20 = 8,675,702.56/x
  3. Step 3: Cross multiply
    15,202,203.04x = 20,979,381.20 × 8,675,702.56
  4. Step 4: Simplify right side
    15,202,203.04x = 182,010,871,184,055.88
  5. Step 5: Solve for x
    x = 182,010,871,184,055.88/15,202,203.04
  6. Step 6: Final answer
    x = 11,972,664.14

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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.