Home / 36,512,507.52-54,681,817.77-21,127,373.50

Finding the Fourth Proportional to 36,512,507.52, 54,681,817.77 and 21,127,373.50

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Solution

The fourth proportional to 36,512,507.52, 54,681,817.77 and 21,127,373.50 is: 31,640,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512,507.52 : 54,681,817.77 = 21,127,373.50 : x
  2. Step 2: Convert to fraction form
    36,512,507.52/54,681,817.77 = 21,127,373.50/x
  3. Step 3: Cross multiply
    36,512,507.52x = 54,681,817.77 × 21,127,373.50
  4. Step 4: Simplify right side
    36,512,507.52x = 1,155,283,187,685,727.25
  5. Step 5: Solve for x
    x = 1,155,283,187,685,727.25/36,512,507.52
  6. Step 6: Final answer
    x = 31,640,751.79

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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.