Home / 7,250,451.12-10,005,423.12-3,987,265.92

Finding the Fourth Proportional to 7,250,451.12, 10,005,423.12 and 3,987,265.92

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Solution

The fourth proportional to 7,250,451.12, 10,005,423.12 and 3,987,265.92 is: 5,502,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,451.12 : 10,005,423.12 = 3,987,265.92 : x
  2. Step 2: Convert to fraction form
    7,250,451.12/10,005,423.12 = 3,987,265.92/x
  3. Step 3: Cross multiply
    7,250,451.12x = 10,005,423.12 × 3,987,265.92
  4. Step 4: Simplify right side
    7,250,451.12x = 39,894,282,621,556.06
  5. Step 5: Solve for x
    x = 39,894,282,621,556.06/7,250,451.12
  6. Step 6: Final answer
    x = 5,502,317.30

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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.