Home / 21,605,922,954.65-29,816,526,675.76-11,828,896,843.68

Finding the Fourth Proportional to 21,605,922,954.65, 29,816,526,675.76 and 11,828,896,843.68

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Solution

The fourth proportional to 21,605,922,954.65, 29,816,526,675.76 and 11,828,896,843.68 is: 16,324,070,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,605,922,954.65 : 29,816,526,675.76 = 11,828,896,843.68 : x
  2. Step 2: Convert to fraction form
    21,605,922,954.65/29,816,526,675.76 = 11,828,896,843.68/x
  3. Step 3: Cross multiply
    21,605,922,954.65x = 29,816,526,675.76 × 11,828,896,843.68
  4. Step 4: Simplify right side
    21,605,922,954.65x = 352,696,618,284,362,498,048
  5. Step 5: Solve for x
    x = 352,696,618,284,362,498,048/21,605,922,954.65
  6. Step 6: Final answer
    x = 16,324,070,905.21

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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.