Home / 21,259,923.45-29,338,686.54-11,602,131.45

Finding the Fourth Proportional to 21,259,923.45, 29,338,686.54 and 11,602,131.45

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Solution

The fourth proportional to 21,259,923.45, 29,338,686.54 and 11,602,131.45 is: 16,010,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259,923.45 : 29,338,686.54 = 11,602,131.45 : x
  2. Step 2: Convert to fraction form
    21,259,923.45/29,338,686.54 = 11,602,131.45/x
  3. Step 3: Cross multiply
    21,259,923.45x = 29,338,686.54 × 11,602,131.45
  4. Step 4: Simplify right side
    21,259,923.45x = 340,391,297,807,425.62
  5. Step 5: Solve for x
    x = 340,391,297,807,425.62/21,259,923.45
  6. Step 6: Final answer
    x = 16,010,937.13

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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.