Home / 18,143,479.40-27,215,219.10-5,364,109.40

Finding the Fourth Proportional to 18,143,479.40, 27,215,219.10 and 5,364,109.40

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Solution

The fourth proportional to 18,143,479.40, 27,215,219.10 and 5,364,109.40 is: 8,046,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,479.40 : 27,215,219.10 = 5,364,109.40 : x
  2. Step 2: Convert to fraction form
    18,143,479.40/27,215,219.10 = 5,364,109.40/x
  3. Step 3: Cross multiply
    18,143,479.40x = 27,215,219.10 × 5,364,109.40
  4. Step 4: Simplify right side
    18,143,479.40x = 145,985,412,597,369.56
  5. Step 5: Solve for x
    x = 145,985,412,597,369.56/18,143,479.40
  6. Step 6: Final answer
    x = 8,046,164.10

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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.