Home / 21,605,922,956.91-29,816,526,678.87-11,828,896,845.93

Finding the Fourth Proportional to 21,605,922,956.91, 29,816,526,678.87 and 11,828,896,845.93

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Solution

The fourth proportional to 21,605,922,956.91, 29,816,526,678.87 and 11,828,896,845.93 is: 16,324,070,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,605,922,956.91 : 29,816,526,678.87 = 11,828,896,845.93 : x
  2. Step 2: Convert to fraction form
    21,605,922,956.91/29,816,526,678.87 = 11,828,896,845.93/x
  3. Step 3: Cross multiply
    21,605,922,956.91x = 29,816,526,678.87 × 11,828,896,845.93
  4. Step 4: Simplify right side
    21,605,922,956.91x = 352,696,618,388,273,037,312
  5. Step 5: Solve for x
    x = 352,696,618,388,273,037,312/21,605,922,956.91
  6. Step 6: Final answer
    x = 16,324,070,908.32

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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.