Home / 14,193,642.86-21,290,464.29-4,479,240.43

Finding the Fourth Proportional to 14,193,642.86, 21,290,464.29 and 4,479,240.43

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Solution

The fourth proportional to 14,193,642.86, 21,290,464.29 and 4,479,240.43 is: 6,718,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193,642.86 : 21,290,464.29 = 4,479,240.43 : x
  2. Step 2: Convert to fraction form
    14,193,642.86/21,290,464.29 = 4,479,240.43/x
  3. Step 3: Cross multiply
    14,193,642.86x = 21,290,464.29 × 4,479,240.43
  4. Step 4: Simplify right side
    14,193,642.86x = 95,365,108,314,786.92
  5. Step 5: Solve for x
    x = 95,365,108,314,786.92/14,193,642.86
  6. Step 6: Final answer
    x = 6,718,860.64

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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.