Home / 39,363,692.36-54,321,918.60-21,960,037.66

Finding the Fourth Proportional to 39,363,692.36, 54,321,918.60 and 21,960,037.66

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Solution

The fourth proportional to 39,363,692.36, 54,321,918.60 and 21,960,037.66 is: 30,304,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363,692.36 : 54,321,918.60 = 21,960,037.66 : x
  2. Step 2: Convert to fraction form
    39,363,692.36/54,321,918.60 = 21,960,037.66/x
  3. Step 3: Cross multiply
    39,363,692.36x = 54,321,918.60 × 21,960,037.66
  4. Step 4: Simplify right side
    39,363,692.36x = 1,192,911,378,219,454.50
  5. Step 5: Solve for x
    x = 1,192,911,378,219,454.50/39,363,692.36
  6. Step 6: Final answer
    x = 30,304,864.88

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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.