Home / 8,761,805.10-13,142,707.65-3,081,291.30

Finding the Fourth Proportional to 8,761,805.10, 13,142,707.65 and 3,081,291.30

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Solution

The fourth proportional to 8,761,805.10, 13,142,707.65 and 3,081,291.30 is: 4,621,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,805.10 : 13,142,707.65 = 3,081,291.30 : x
  2. Step 2: Convert to fraction form
    8,761,805.10/13,142,707.65 = 3,081,291.30/x
  3. Step 3: Cross multiply
    8,761,805.10x = 13,142,707.65 × 3,081,291.30
  4. Step 4: Simplify right side
    8,761,805.10x = 40,496,510,740,388.45
  5. Step 5: Solve for x
    x = 40,496,510,740,388.45/8,761,805.10
  6. Step 6: Final answer
    x = 4,621,936.95

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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.