Home / 27,287,772.20-40,937,563.20-8,120,466.80

Finding the Fourth Proportional to 27,287,772.20, 40,937,563.20 and 8,120,466.80

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Solution

The fourth proportional to 27,287,772.20, 40,937,563.20 and 8,120,466.80 is: 12,182,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287,772.20 : 40,937,563.20 = 8,120,466.80 : x
  2. Step 2: Convert to fraction form
    27,287,772.20/40,937,563.20 = 8,120,466.80/x
  3. Step 3: Cross multiply
    27,287,772.20x = 40,937,563.20 × 8,120,466.80
  4. Step 4: Simplify right side
    27,287,772.20x = 332,432,122,838,501.75
  5. Step 5: Solve for x
    x = 332,432,122,838,501.75/27,287,772.20
  6. Step 6: Final answer
    x = 12,182,457.42

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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.