Home / 18,300,186.12-27,450,476.28-5,520,801.54

Finding the Fourth Proportional to 18,300,186.12, 27,450,476.28 and 5,520,801.54

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Solution

The fourth proportional to 18,300,186.12, 27,450,476.28 and 5,520,801.54 is: 8,281,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300,186.12 : 27,450,476.28 = 5,520,801.54 : x
  2. Step 2: Convert to fraction form
    18,300,186.12/27,450,476.28 = 5,520,801.54/x
  3. Step 3: Cross multiply
    18,300,186.12x = 27,450,476.28 × 5,520,801.54
  4. Step 4: Simplify right side
    18,300,186.12x = 151,548,631,720,357.47
  5. Step 5: Solve for x
    x = 151,548,631,720,357.47/18,300,186.12
  6. Step 6: Final answer
    x = 8,281,261.77

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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.