Home / 7,250,639.13-10,005,682.41-3,987,452.88

Finding the Fourth Proportional to 7,250,639.13, 10,005,682.41 and 3,987,452.88

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Solution

The fourth proportional to 7,250,639.13, 10,005,682.41 and 3,987,452.88 is: 5,502,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,639.13 : 10,005,682.41 = 3,987,452.88 : x
  2. Step 2: Convert to fraction form
    7,250,639.13/10,005,682.41 = 3,987,452.88/x
  3. Step 3: Cross multiply
    7,250,639.13x = 10,005,682.41 × 3,987,452.88
  4. Step 4: Simplify right side
    7,250,639.13x = 39,897,187,142,119.84
  5. Step 5: Solve for x
    x = 39,897,187,142,119.84/7,250,639.13
  6. Step 6: Final answer
    x = 5,502,575.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.