Home / 18,680,400.68-28,028,692.80-10,034,412.56

Finding the Fourth Proportional to 18,680,400.68, 28,028,692.80 and 10,034,412.56

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Solution

The fourth proportional to 18,680,400.68, 28,028,692.80 and 10,034,412.56 is: 15,055,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,400.68 : 28,028,692.80 = 10,034,412.56 : x
  2. Step 2: Convert to fraction form
    18,680,400.68/28,028,692.80 = 10,034,412.56/x
  3. Step 3: Cross multiply
    18,680,400.68x = 28,028,692.80 × 10,034,412.56
  4. Step 4: Simplify right side
    18,680,400.68x = 281,251,467,072,701.59
  5. Step 5: Solve for x
    x = 281,251,467,072,701.59/18,680,400.68
  6. Step 6: Final answer
    x = 15,055,965.44

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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.