Home / 39,860,768.44-55,007,859.90-21,526,053.40

Finding the Fourth Proportional to 39,860,768.44, 55,007,859.90 and 21,526,053.40

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Solution

The fourth proportional to 39,860,768.44, 55,007,859.90 and 21,526,053.40 is: 29,705,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,768.44 : 55,007,859.90 = 21,526,053.40 : x
  2. Step 2: Convert to fraction form
    39,860,768.44/55,007,859.90 = 21,526,053.40/x
  3. Step 3: Cross multiply
    39,860,768.44x = 55,007,859.90 × 21,526,053.40
  4. Step 4: Simplify right side
    39,860,768.44x = 1,184,102,129,627,118.50
  5. Step 5: Solve for x
    x = 1,184,102,129,627,118.50/39,860,768.44
  6. Step 6: Final answer
    x = 29,705,953.40

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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.