Home / 9,528,728.82-13,149,718.08-5,177,838.60

Finding the Fourth Proportional to 9,528,728.82, 13,149,718.08 and 5,177,838.60

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Solution

The fourth proportional to 9,528,728.82, 13,149,718.08 and 5,177,838.60 is: 7,145,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528,728.82 : 13,149,718.08 = 5,177,838.60 : x
  2. Step 2: Convert to fraction form
    9,528,728.82/13,149,718.08 = 5,177,838.60/x
  3. Step 3: Cross multiply
    9,528,728.82x = 13,149,718.08 × 5,177,838.60
  4. Step 4: Simplify right side
    9,528,728.82x = 68,087,117,853,741.88
  5. Step 5: Solve for x
    x = 68,087,117,853,741.88/9,528,728.82
  6. Step 6: Final answer
    x = 7,145,456.56

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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.