Home / 20,301,546.84-28,017,906.51-11,135,961.06

Finding the Fourth Proportional to 20,301,546.84, 28,017,906.51 and 11,135,961.06

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Solution

The fourth proportional to 20,301,546.84, 28,017,906.51 and 11,135,961.06 is: 15,368,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,546.84 : 28,017,906.51 = 11,135,961.06 : x
  2. Step 2: Convert to fraction form
    20,301,546.84/28,017,906.51 = 11,135,961.06/x
  3. Step 3: Cross multiply
    20,301,546.84x = 28,017,906.51 × 11,135,961.06
  4. Step 4: Simplify right side
    20,301,546.84x = 312,006,315,878,080.56
  5. Step 5: Solve for x
    x = 312,006,315,878,080.56/20,301,546.84
  6. Step 6: Final answer
    x = 15,368,598.18

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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.