Home / 18,328,506.15-27,492,759.23-5,549,646.45

Finding the Fourth Proportional to 18,328,506.15, 27,492,759.23 and 5,549,646.45

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Solution

The fourth proportional to 18,328,506.15, 27,492,759.23 and 5,549,646.45 is: 8,324,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328,506.15 : 27,492,759.23 = 5,549,646.45 : x
  2. Step 2: Convert to fraction form
    18,328,506.15/27,492,759.23 = 5,549,646.45/x
  3. Step 3: Cross multiply
    18,328,506.15x = 27,492,759.23 × 5,549,646.45
  4. Step 4: Simplify right side
    18,328,506.15x = 152,575,093,633,726
  5. Step 5: Solve for x
    x = 152,575,093,633,726/18,328,506.15
  6. Step 6: Final answer
    x = 8,324,469.68

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Double scale
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Similar ratio
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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.