Home / 28,013,844.38-38,659,106.88-15,136,788.38

Finding the Fourth Proportional to 28,013,844.38, 38,659,106.88 and 15,136,788.38

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Solution

The fourth proportional to 28,013,844.38, 38,659,106.88 and 15,136,788.38 is: 20,888,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013,844.38 : 38,659,106.88 = 15,136,788.38 : x
  2. Step 2: Convert to fraction form
    28,013,844.38/38,659,106.88 = 15,136,788.38/x
  3. Step 3: Cross multiply
    28,013,844.38x = 38,659,106.88 × 15,136,788.38
  4. Step 4: Simplify right side
    28,013,844.38x = 585,174,719,609,066.50
  5. Step 5: Solve for x
    x = 585,174,719,609,066.50/28,013,844.38
  6. Step 6: Final answer
    x = 20,888,768.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.