Home / 21,141,363,867.36-29,175,635,078.56-11,496,657,918.72

Finding the Fourth Proportional to 21,141,363,867.36, 29,175,635,078.56 and 11,496,657,918.72

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Solution

The fourth proportional to 21,141,363,867.36, 29,175,635,078.56 and 11,496,657,918.72 is: 15,865,688,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,363,867.36 : 29,175,635,078.56 = 11,496,657,918.72 : x
  2. Step 2: Convert to fraction form
    21,141,363,867.36/29,175,635,078.56 = 11,496,657,918.72/x
  3. Step 3: Cross multiply
    21,141,363,867.36x = 29,175,635,078.56 × 11,496,657,918.72
  4. Step 4: Simplify right side
    21,141,363,867.36x = 335,422,296,059,611,840,512
  5. Step 5: Solve for x
    x = 335,422,296,059,611,840,512/21,141,363,867.36
  6. Step 6: Final answer
    x = 15,865,688,617.07

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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.