Home / 13,824,086.40-20,736,129.60-8,449,315.20

Finding the Fourth Proportional to 13,824,086.40, 20,736,129.60 and 8,449,315.20

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Solution

The fourth proportional to 13,824,086.40, 20,736,129.60 and 8,449,315.20 is: 12,673,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,086.40 : 20,736,129.60 = 8,449,315.20 : x
  2. Step 2: Convert to fraction form
    13,824,086.40/20,736,129.60 = 8,449,315.20/x
  3. Step 3: Cross multiply
    13,824,086.40x = 20,736,129.60 × 8,449,315.20
  4. Step 4: Simplify right side
    13,824,086.40x = 175,206,095,018,449.91
  5. Step 5: Solve for x
    x = 175,206,095,018,449.91/13,824,086.40
  6. Step 6: Final answer
    x = 12,673,972.80

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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.