Home / 12,415,316.16-18,623,761.42-3,895,988.88

Finding the Fourth Proportional to 12,415,316.16, 18,623,761.42 and 3,895,988.88

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Solution

The fourth proportional to 12,415,316.16, 18,623,761.42 and 3,895,988.88 is: 5,844,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,316.16 : 18,623,761.42 = 3,895,988.88 : x
  2. Step 2: Convert to fraction form
    12,415,316.16/18,623,761.42 = 3,895,988.88/x
  3. Step 3: Cross multiply
    12,415,316.16x = 18,623,761.42 × 3,895,988.88
  4. Step 4: Simplify right side
    12,415,316.16x = 72,557,967,396,093.02
  5. Step 5: Solve for x
    x = 72,557,967,396,093.02/12,415,316.16
  6. Step 6: Final answer
    x = 5,844,230.34

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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.