Home / 13,917,606,081.72-19,206,928,847.59-8,202,131,730.78

Finding the Fourth Proportional to 13,917,606,081.72, 19,206,928,847.59 and 8,202,131,730.78

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Solution

The fourth proportional to 13,917,606,081.72, 19,206,928,847.59 and 8,202,131,730.78 is: 11,319,314,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,606,081.72 : 19,206,928,847.59 = 8,202,131,730.78 : x
  2. Step 2: Convert to fraction form
    13,917,606,081.72/19,206,928,847.59 = 8,202,131,730.78/x
  3. Step 3: Cross multiply
    13,917,606,081.72x = 19,206,928,847.59 × 8,202,131,730.78
  4. Step 4: Simplify right side
    13,917,606,081.72x = 157,537,760,551,572,045,824
  5. Step 5: Solve for x
    x = 157,537,760,551,572,045,824/13,917,606,081.72
  6. Step 6: Final answer
    x = 11,319,314,516.20

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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.