Home / 21,632,876,275.82-29,853,544,544.99-11,987,767,355.29

Finding the Fourth Proportional to 21,632,876,275.82, 29,853,544,544.99 and 11,987,767,355.29

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Solution

The fourth proportional to 21,632,876,275.82, 29,853,544,544.99 and 11,987,767,355.29 is: 16,543,216,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,876,275.82 : 29,853,544,544.99 = 11,987,767,355.29 : x
  2. Step 2: Convert to fraction form
    21,632,876,275.82/29,853,544,544.99 = 11,987,767,355.29/x
  3. Step 3: Cross multiply
    21,632,876,275.82x = 29,853,544,544.99 × 11,987,767,355.29
  4. Step 4: Simplify right side
    21,632,876,275.82x = 357,877,346,736,156,573,696
  5. Step 5: Solve for x
    x = 357,877,346,736,156,573,696/21,632,876,275.82
  6. Step 6: Final answer
    x = 16,543,216,083.40

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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.