Home / 21,062,951,348.46-29,066,865,845.09-11,547,298,791.60

Finding the Fourth Proportional to 21,062,951,348.46, 29,066,865,845.09 and 11,547,298,791.60

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Solution

The fourth proportional to 21,062,951,348.46, 29,066,865,845.09 and 11,547,298,791.60 is: 15,935,268,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,951,348.46 : 29,066,865,845.09 = 11,547,298,791.60 : x
  2. Step 2: Convert to fraction form
    21,062,951,348.46/29,066,865,845.09 = 11,547,298,791.60/x
  3. Step 3: Cross multiply
    21,062,951,348.46x = 29,066,865,845.09 × 11,547,298,791.60
  4. Step 4: Simplify right side
    21,062,951,348.46x = 335,643,784,848,403,988,480
  5. Step 5: Solve for x
    x = 335,643,784,848,403,988,480/21,062,951,348.46
  6. Step 6: Final answer
    x = 15,935,268,486.15

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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.