Home / 18,328,505.40-27,492,758.10-5,549,645.70

Finding the Fourth Proportional to 18,328,505.40, 27,492,758.10 and 5,549,645.70

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Solution

The fourth proportional to 18,328,505.40, 27,492,758.10 and 5,549,645.70 is: 8,324,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328,505.40 : 27,492,758.10 = 5,549,645.70 : x
  2. Step 2: Convert to fraction form
    18,328,505.40/27,492,758.10 = 5,549,645.70/x
  3. Step 3: Cross multiply
    18,328,505.40x = 27,492,758.10 × 5,549,645.70
  4. Step 4: Simplify right side
    18,328,505.40x = 152,575,066,770,805.19
  5. Step 5: Solve for x
    x = 152,575,066,770,805.19/18,328,505.40
  6. Step 6: Final answer
    x = 8,324,468.55

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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.