Home / 21,333,718.71-29,440,609.88-11,544,162.98

Finding the Fourth Proportional to 21,333,718.71, 29,440,609.88 and 11,544,162.98

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Solution

The fourth proportional to 21,333,718.71, 29,440,609.88 and 11,544,162.98 is: 15,930,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,718.71 : 29,440,609.88 = 11,544,162.98 : x
  2. Step 2: Convert to fraction form
    21,333,718.71/29,440,609.88 = 11,544,162.98/x
  3. Step 3: Cross multiply
    21,333,718.71x = 29,440,609.88 × 11,544,162.98
  4. Step 4: Simplify right side
    21,333,718.71x = 339,867,198,480,394.38
  5. Step 5: Solve for x
    x = 339,867,198,480,394.38/21,333,718.71
  6. Step 6: Final answer
    x = 15,930,987.14

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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.