Home / 15,781,186.82-23,650,853.37-8,104,521.57

Finding the Fourth Proportional to 15,781,186.82, 23,650,853.37 and 8,104,521.57

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Solution

The fourth proportional to 15,781,186.82, 23,650,853.37 and 8,104,521.57 is: 12,146,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,186.82 : 23,650,853.37 = 8,104,521.57 : x
  2. Step 2: Convert to fraction form
    15,781,186.82/23,650,853.37 = 8,104,521.57/x
  3. Step 3: Cross multiply
    15,781,186.82x = 23,650,853.37 × 8,104,521.57
  4. Step 4: Simplify right side
    15,781,186.82x = 191,678,851,322,823.62
  5. Step 5: Solve for x
    x = 191,678,851,322,823.62/15,781,186.82
  6. Step 6: Final answer
    x = 12,146,035.25

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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.