Home / 21,610,436,642.91-29,823,334,604.51-11,965,166,534.97

Finding the Fourth Proportional to 21,610,436,642.91, 29,823,334,604.51 and 11,965,166,534.97

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Solution

The fourth proportional to 21,610,436,642.91, 29,823,334,604.51 and 11,965,166,534.97 is: 16,512,445,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610,436,642.91 : 29,823,334,604.51 = 11,965,166,534.97 : x
  2. Step 2: Convert to fraction form
    21,610,436,642.91/29,823,334,604.51 = 11,965,166,534.97/x
  3. Step 3: Cross multiply
    21,610,436,642.91x = 29,823,334,604.51 × 11,965,166,534.97
  4. Step 4: Simplify right side
    21,610,436,642.91x = 356,841,165,171,035,996,160
  5. Step 5: Solve for x
    x = 356,841,165,171,035,996,160/21,610,436,642.91
  6. Step 6: Final answer
    x = 16,512,445,864.35

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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.