Home / 7,250,489.08-10,005,475.38-3,987,303.80

Finding the Fourth Proportional to 7,250,489.08, 10,005,475.38 and 3,987,303.80

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Solution

The fourth proportional to 7,250,489.08, 10,005,475.38 and 3,987,303.80 is: 5,502,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,489.08 : 10,005,475.38 = 3,987,303.80 : x
  2. Step 2: Convert to fraction form
    7,250,489.08/10,005,475.38 = 3,987,303.80/x
  3. Step 3: Cross multiply
    7,250,489.08x = 10,005,475.38 × 3,987,303.80
  4. Step 4: Simplify right side
    7,250,489.08x = 39,894,870,003,480.45
  5. Step 5: Solve for x
    x = 39,894,870,003,480.45/7,250,489.08
  6. Step 6: Final answer
    x = 5,502,369.50

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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.