Home / 8,287,529.20-12,430,112.78-2,607,605.88

Finding the Fourth Proportional to 8,287,529.20, 12,430,112.78 and 2,607,605.88

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Solution

The fourth proportional to 8,287,529.20, 12,430,112.78 and 2,607,605.88 is: 3,911,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287,529.20 : 12,430,112.78 = 2,607,605.88 : x
  2. Step 2: Convert to fraction form
    8,287,529.20/12,430,112.78 = 2,607,605.88/x
  3. Step 3: Cross multiply
    8,287,529.20x = 12,430,112.78 × 2,607,605.88
  4. Step 4: Simplify right side
    8,287,529.20x = 32,412,835,174,191.14
  5. Step 5: Solve for x
    x = 32,412,835,174,191.14/8,287,529.20
  6. Step 6: Final answer
    x = 3,911,037.22

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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.