Home / 15,320,032.97-21,141,009.34-8,350,557.15

Finding the Fourth Proportional to 15,320,032.97, 21,141,009.34 and 8,350,557.15

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Solution

The fourth proportional to 15,320,032.97, 21,141,009.34 and 8,350,557.15 is: 11,523,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,032.97 : 21,141,009.34 = 8,350,557.15 : x
  2. Step 2: Convert to fraction form
    15,320,032.97/21,141,009.34 = 8,350,557.15/x
  3. Step 3: Cross multiply
    15,320,032.97x = 21,141,009.34 × 8,350,557.15
  4. Step 4: Simplify right side
    15,320,032.97x = 176,539,206,665,324
  5. Step 5: Solve for x
    x = 176,539,206,665,324/15,320,032.97
  6. Step 6: Final answer
    x = 11,523,422.11

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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.