Home / 20,242,530.77-27,905,638.14-14,431,223.44

Finding the Fourth Proportional to 20,242,530.77, 27,905,638.14 and 14,431,223.44

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Solution

The fourth proportional to 20,242,530.77, 27,905,638.14 and 14,431,223.44 is: 19,894,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,530.77 : 27,905,638.14 = 14,431,223.44 : x
  2. Step 2: Convert to fraction form
    20,242,530.77/27,905,638.14 = 14,431,223.44/x
  3. Step 3: Cross multiply
    20,242,530.77x = 27,905,638.14 × 14,431,223.44
  4. Step 4: Simplify right side
    20,242,530.77x = 402,712,499,164,361.94
  5. Step 5: Solve for x
    x = 402,712,499,164,361.94/20,242,530.77
  6. Step 6: Final answer
    x = 19,894,375.05

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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.