Home / 18,441,015.30-27,653,228.55-7,077,687.30

Finding the Fourth Proportional to 18,441,015.30, 27,653,228.55 and 7,077,687.30

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Solution

The fourth proportional to 18,441,015.30, 27,653,228.55 and 7,077,687.30 is: 10,613,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,015.30 : 27,653,228.55 = 7,077,687.30 : x
  2. Step 2: Convert to fraction form
    18,441,015.30/27,653,228.55 = 7,077,687.30/x
  3. Step 3: Cross multiply
    18,441,015.30x = 27,653,228.55 × 7,077,687.30
  4. Step 4: Simplify right side
    18,441,015.30x = 195,720,904,512,332.41
  5. Step 5: Solve for x
    x = 195,720,904,512,332.41/18,441,015.30
  6. Step 6: Final answer
    x = 10,613,347.55

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1.5x scale

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.