Home / 36,905,692.20-55,358,538.30-21,537,205.80

Finding the Fourth Proportional to 36,905,692.20, 55,358,538.30 and 21,537,205.80

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Solution

The fourth proportional to 36,905,692.20, 55,358,538.30 and 21,537,205.80 is: 32,305,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905,692.20 : 55,358,538.30 = 21,537,205.80 : x
  2. Step 2: Convert to fraction form
    36,905,692.20/55,358,538.30 = 21,537,205.80/x
  3. Step 3: Cross multiply
    36,905,692.20x = 55,358,538.30 × 21,537,205.80
  4. Step 4: Simplify right side
    36,905,692.20x = 1,192,268,232,154,282
  5. Step 5: Solve for x
    x = 1,192,268,232,154,282/36,905,692.20
  6. Step 6: Final answer
    x = 32,305,808.70

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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.