Home / 10,580,086.20-15,870,129.30-5,532,943.80

Finding the Fourth Proportional to 10,580,086.20, 15,870,129.30 and 5,532,943.80

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Solution

The fourth proportional to 10,580,086.20, 15,870,129.30 and 5,532,943.80 is: 8,299,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580,086.20 : 15,870,129.30 = 5,532,943.80 : x
  2. Step 2: Convert to fraction form
    10,580,086.20/15,870,129.30 = 5,532,943.80/x
  3. Step 3: Cross multiply
    10,580,086.20x = 15,870,129.30 × 5,532,943.80
  4. Step 4: Simplify right side
    10,580,086.20x = 87,808,533,515,633.34
  5. Step 5: Solve for x
    x = 87,808,533,515,633.34/10,580,086.20
  6. Step 6: Final answer
    x = 8,299,415.70

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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.