Home / 13,824,087.40-20,736,131.10-8,449,316.20

Finding the Fourth Proportional to 13,824,087.40, 20,736,131.10 and 8,449,316.20

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Solution

The fourth proportional to 13,824,087.40, 20,736,131.10 and 8,449,316.20 is: 12,673,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,087.40 : 20,736,131.10 = 8,449,316.20 : x
  2. Step 2: Convert to fraction form
    13,824,087.40/20,736,131.10 = 8,449,316.20/x
  3. Step 3: Cross multiply
    13,824,087.40x = 20,736,131.10 × 8,449,316.20
  4. Step 4: Simplify right side
    13,824,087.40x = 175,206,128,428,553.81
  5. Step 5: Solve for x
    x = 175,206,128,428,553.81/13,824,087.40
  6. Step 6: Final answer
    x = 12,673,974.30

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1.5x scale

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.