Home / 15,637,181.82-23,435,344.80-8,720,385.18

Finding the Fourth Proportional to 15,637,181.82, 23,435,344.80 and 8,720,385.18

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Solution

The fourth proportional to 15,637,181.82, 23,435,344.80 and 8,720,385.18 is: 13,069,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637,181.82 : 23,435,344.80 = 8,720,385.18 : x
  2. Step 2: Convert to fraction form
    15,637,181.82/23,435,344.80 = 8,720,385.18/x
  3. Step 3: Cross multiply
    15,637,181.82x = 23,435,344.80 × 8,720,385.18
  4. Step 4: Simplify right side
    15,637,181.82x = 204,365,233,482,110.06
  5. Step 5: Solve for x
    x = 204,365,233,482,110.06/15,637,181.82
  6. Step 6: Final answer
    x = 13,069,185.73

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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.