Home / 18,480,032.80-27,719,530.80-8,382,637.60

Finding the Fourth Proportional to 18,480,032.80, 27,719,530.80 and 8,382,637.60

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Solution

The fourth proportional to 18,480,032.80, 27,719,530.80 and 8,382,637.60 is: 12,573,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,032.80 : 27,719,530.80 = 8,382,637.60 : x
  2. Step 2: Convert to fraction form
    18,480,032.80/27,719,530.80 = 8,382,637.60/x
  3. Step 3: Cross multiply
    18,480,032.80x = 27,719,530.80 × 8,382,637.60
  4. Step 4: Simplify right side
    18,480,032.80x = 232,362,781,138,438.06
  5. Step 5: Solve for x
    x = 232,362,781,138,438.06/18,480,032.80
  6. Step 6: Final answer
    x = 12,573,721.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.