Home / 21,929,188.46-30,262,636.80-12,005,904.38

Finding the Fourth Proportional to 21,929,188.46, 30,262,636.80 and 12,005,904.38

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Solution

The fourth proportional to 21,929,188.46, 30,262,636.80 and 12,005,904.38 is: 16,568,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929,188.46 : 30,262,636.80 = 12,005,904.38 : x
  2. Step 2: Convert to fraction form
    21,929,188.46/30,262,636.80 = 12,005,904.38/x
  3. Step 3: Cross multiply
    21,929,188.46x = 30,262,636.80 × 12,005,904.38
  4. Step 4: Simplify right side
    21,929,188.46x = 363,330,323,556,156
  5. Step 5: Solve for x
    x = 363,330,323,556,156/21,929,188.46
  6. Step 6: Final answer
    x = 16,568,343.34

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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.