Home / 13,603,160.45-18,772,177.17-7,722,741.18

Finding the Fourth Proportional to 13,603,160.45, 18,772,177.17 and 7,722,741.18

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Solution

The fourth proportional to 13,603,160.45, 18,772,177.17 and 7,722,741.18 is: 10,657,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,160.45 : 18,772,177.17 = 7,722,741.18 : x
  2. Step 2: Convert to fraction form
    13,603,160.45/18,772,177.17 = 7,722,741.18/x
  3. Step 3: Cross multiply
    13,603,160.45x = 18,772,177.17 × 7,722,741.18
  4. Step 4: Simplify right side
    13,603,160.45x = 144,972,665,768,370.78
  5. Step 5: Solve for x
    x = 144,972,665,768,370.78/13,603,160.45
  6. Step 6: Final answer
    x = 10,657,278.23

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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.