Home / 7,250,432.81-10,005,397.75-3,987,247.54

Finding the Fourth Proportional to 7,250,432.81, 10,005,397.75 and 3,987,247.54

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Solution

The fourth proportional to 7,250,432.81, 10,005,397.75 and 3,987,247.54 is: 5,502,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,432.81 : 10,005,397.75 = 3,987,247.54 : x
  2. Step 2: Convert to fraction form
    7,250,432.81/10,005,397.75 = 3,987,247.54/x
  3. Step 3: Cross multiply
    7,250,432.81x = 10,005,397.75 × 3,987,247.54
  4. Step 4: Simplify right side
    7,250,432.81x = 39,893,997,565,409.04
  5. Step 5: Solve for x
    x = 39,893,997,565,409.04/7,250,432.81
  6. Step 6: Final answer
    x = 5,502,291.88

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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.