Home / 21,988,407.14-30,343,990.09-12,065,354.98

Finding the Fourth Proportional to 21,988,407.14, 30,343,990.09 and 12,065,354.98

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Solution

The fourth proportional to 21,988,407.14, 30,343,990.09 and 12,065,354.98 is: 16,650,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,407.14 : 30,343,990.09 = 12,065,354.98 : x
  2. Step 2: Convert to fraction form
    21,988,407.14/30,343,990.09 = 12,065,354.98/x
  3. Step 3: Cross multiply
    21,988,407.14x = 30,343,990.09 × 12,065,354.98
  4. Step 4: Simplify right side
    21,988,407.14x = 366,111,011,945,452.19
  5. Step 5: Solve for x
    x = 366,111,011,945,452.19/21,988,407.14
  6. Step 6: Final answer
    x = 16,650,183.42

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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.