Home / 21,344,211.69-29,455,005.89-11,554,648.61

Finding the Fourth Proportional to 21,344,211.69, 29,455,005.89 and 11,554,648.61

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Solution

The fourth proportional to 21,344,211.69, 29,455,005.89 and 11,554,648.61 is: 15,945,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,211.69 : 29,455,005.89 = 11,554,648.61 : x
  2. Step 2: Convert to fraction form
    21,344,211.69/29,455,005.89 = 11,554,648.61/x
  3. Step 3: Cross multiply
    21,344,211.69x = 29,455,005.89 × 11,554,648.61
  4. Step 4: Simplify right side
    21,344,211.69x = 340,342,242,966,954.44
  5. Step 5: Solve for x
    x = 340,342,242,966,954.44/21,344,211.69
  6. Step 6: Final answer
    x = 15,945,411.71

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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.