Home / 10,791,659.20-16,182,823.20-5,398,225.60

Finding the Fourth Proportional to 10,791,659.20, 16,182,823.20 and 5,398,225.60

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Solution

The fourth proportional to 10,791,659.20, 16,182,823.20 and 5,398,225.60 is: 8,095,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,659.20 : 16,182,823.20 = 5,398,225.60 : x
  2. Step 2: Convert to fraction form
    10,791,659.20/16,182,823.20 = 5,398,225.60/x
  3. Step 3: Cross multiply
    10,791,659.20x = 16,182,823.20 × 5,398,225.60
  4. Step 4: Simplify right side
    10,791,659.20x = 87,358,530,478,513.91
  5. Step 5: Solve for x
    x = 87,358,530,478,513.91/10,791,659.20
  6. Step 6: Final answer
    x = 8,095,004.56

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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.