Home / 13,558,728.10-20,338,257.70-3,974,300.43

Finding the Fourth Proportional to 13,558,728.10, 20,338,257.70 and 3,974,300.43

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Solution

The fourth proportional to 13,558,728.10, 20,338,257.70 and 3,974,300.43 is: 5,961,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,728.10 : 20,338,257.70 = 3,974,300.43 : x
  2. Step 2: Convert to fraction form
    13,558,728.10/20,338,257.70 = 3,974,300.43/x
  3. Step 3: Cross multiply
    13,558,728.10x = 20,338,257.70 × 3,974,300.43
  4. Step 4: Simplify right side
    13,558,728.10x = 80,830,346,322,560.81
  5. Step 5: Solve for x
    x = 80,830,346,322,560.81/13,558,728.10
  6. Step 6: Final answer
    x = 5,961,499.17

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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.