Home / 10,215,967.60-15,323,896.04-4,379,293.80

Finding the Fourth Proportional to 10,215,967.60, 15,323,896.04 and 4,379,293.80

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Solution

The fourth proportional to 10,215,967.60, 15,323,896.04 and 4,379,293.80 is: 6,568,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,967.60 : 15,323,896.04 = 4,379,293.80 : x
  2. Step 2: Convert to fraction form
    10,215,967.60/15,323,896.04 = 4,379,293.80/x
  3. Step 3: Cross multiply
    10,215,967.60x = 15,323,896.04 × 4,379,293.80
  4. Step 4: Simplify right side
    10,215,967.60x = 67,107,842,919,816.55
  5. Step 5: Solve for x
    x = 67,107,842,919,816.55/10,215,967.60
  6. Step 6: Final answer
    x = 6,568,916.97

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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.