Home / 21,769,101.80-32,645,220.06-7,389,745.64

Finding the Fourth Proportional to 21,769,101.80, 32,645,220.06 and 7,389,745.64

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Solution

The fourth proportional to 21,769,101.80, 32,645,220.06 and 7,389,745.64 is: 11,081,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769,101.80 : 32,645,220.06 = 7,389,745.64 : x
  2. Step 2: Convert to fraction form
    21,769,101.80/32,645,220.06 = 7,389,745.64/x
  3. Step 3: Cross multiply
    21,769,101.80x = 32,645,220.06 × 7,389,745.64
  4. Step 4: Simplify right side
    21,769,101.80x = 241,239,872,605,225.53
  5. Step 5: Solve for x
    x = 241,239,872,605,225.53/21,769,101.80
  6. Step 6: Final answer
    x = 11,081,755.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.