Home / 9,192,076.95-12,684,481.62-5,521,148.25

Finding the Fourth Proportional to 9,192,076.95, 12,684,481.62 and 5,521,148.25

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Solution

The fourth proportional to 9,192,076.95, 12,684,481.62 and 5,521,148.25 is: 7,618,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192,076.95 : 12,684,481.62 = 5,521,148.25 : x
  2. Step 2: Convert to fraction form
    9,192,076.95/12,684,481.62 = 5,521,148.25/x
  3. Step 3: Cross multiply
    9,192,076.95x = 12,684,481.62 × 5,521,148.25
  4. Step 4: Simplify right side
    9,192,076.95x = 70,032,903,498,420.16
  5. Step 5: Solve for x
    x = 70,032,903,498,420.16/9,192,076.95
  6. Step 6: Final answer
    x = 7,618,833.47

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1.5x scale

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.