Home / 21,706,054.02-29,954,705.51-11,917,400.58

Finding the Fourth Proportional to 21,706,054.02, 29,954,705.51 and 11,917,400.58

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Solution

The fourth proportional to 21,706,054.02, 29,954,705.51 and 11,917,400.58 is: 16,446,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,054.02 : 29,954,705.51 = 11,917,400.58 : x
  2. Step 2: Convert to fraction form
    21,706,054.02/29,954,705.51 = 11,917,400.58/x
  3. Step 3: Cross multiply
    21,706,054.02x = 29,954,705.51 × 11,917,400.58
  4. Step 4: Simplify right side
    21,706,054.02x = 356,982,224,818,603.19
  5. Step 5: Solve for x
    x = 356,982,224,818,603.19/21,706,054.02
  6. Step 6: Final answer
    x = 16,446,205.49

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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.