Home / 28,769,186.95-39,702,063.33-15,717,291.23

Finding the Fourth Proportional to 28,769,186.95, 39,702,063.33 and 15,717,291.23

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Solution

The fourth proportional to 28,769,186.95, 39,702,063.33 and 15,717,291.23 is: 21,690,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769,186.95 : 39,702,063.33 = 15,717,291.23 : x
  2. Step 2: Convert to fraction form
    28,769,186.95/39,702,063.33 = 15,717,291.23/x
  3. Step 3: Cross multiply
    28,769,186.95x = 39,702,063.33 × 15,717,291.23
  4. Step 4: Simplify right side
    28,769,186.95x = 624,008,891,888,768.75
  5. Step 5: Solve for x
    x = 624,008,891,888,768.75/28,769,186.95
  6. Step 6: Final answer
    x = 21,690,181.69

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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.