Home / 39,860,853.30-55,007,977.23-21,526,137.18

Finding the Fourth Proportional to 39,860,853.30, 55,007,977.23 and 21,526,137.18

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Solution

The fourth proportional to 39,860,853.30, 55,007,977.23 and 21,526,137.18 is: 29,706,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,853.30 : 55,007,977.23 = 21,526,137.18 : x
  2. Step 2: Convert to fraction form
    39,860,853.30/55,007,977.23 = 21,526,137.18/x
  3. Step 3: Cross multiply
    39,860,853.30x = 55,007,977.23 × 21,526,137.18
  4. Step 4: Simplify right side
    39,860,853.30x = 1,184,109,263,847,296.25
  5. Step 5: Solve for x
    x = 1,184,109,263,847,296.25/39,860,853.30
  6. Step 6: Final answer
    x = 29,706,069.13

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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.