Home / 18,456,912.20-27,685,368.30-10,892,419.40

Finding the Fourth Proportional to 18,456,912.20, 27,685,368.30 and 10,892,419.40

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Solution

The fourth proportional to 18,456,912.20, 27,685,368.30 and 10,892,419.40 is: 16,338,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,912.20 : 27,685,368.30 = 10,892,419.40 : x
  2. Step 2: Convert to fraction form
    18,456,912.20/27,685,368.30 = 10,892,419.40/x
  3. Step 3: Cross multiply
    18,456,912.20x = 27,685,368.30 × 10,892,419.40
  4. Step 4: Simplify right side
    18,456,912.20x = 301,560,642,767,065.06
  5. Step 5: Solve for x
    x = 301,560,642,767,065.06/18,456,912.20
  6. Step 6: Final answer
    x = 16,338,629.10

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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.