Home / 15,673,878.31-21,627,993.46-8,703,608.16

Finding the Fourth Proportional to 15,673,878.31, 21,627,993.46 and 8,703,608.16

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Solution

The fourth proportional to 15,673,878.31, 21,627,993.46 and 8,703,608.16 is: 12,009,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,878.31 : 21,627,993.46 = 8,703,608.16 : x
  2. Step 2: Convert to fraction form
    15,673,878.31/21,627,993.46 = 8,703,608.16/x
  3. Step 3: Cross multiply
    15,673,878.31x = 21,627,993.46 × 8,703,608.16
  4. Step 4: Simplify right side
    15,673,878.31x = 188,241,580,362,882.66
  5. Step 5: Solve for x
    x = 188,241,580,362,882.66/15,673,878.31
  6. Step 6: Final answer
    x = 12,009,891.66

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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.