Home / 27,239,143.80-37,590,272.04-15,016,438.20

Finding the Fourth Proportional to 27,239,143.80, 37,590,272.04 and 15,016,438.20

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Solution

The fourth proportional to 27,239,143.80, 37,590,272.04 and 15,016,438.20 is: 20,722,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239,143.80 : 37,590,272.04 = 15,016,438.20 : x
  2. Step 2: Convert to fraction form
    27,239,143.80/37,590,272.04 = 15,016,438.20/x
  3. Step 3: Cross multiply
    27,239,143.80x = 37,590,272.04 × 15,016,438.20
  4. Step 4: Simplify right side
    27,239,143.80x = 564,471,997,009,847.88
  5. Step 5: Solve for x
    x = 564,471,997,009,847.88/27,239,143.80
  6. Step 6: Final answer
    x = 20,722,824.52

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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.