Home / 40,353,692.12-60,530,139.30-18,487,869.08

Finding the Fourth Proportional to 40,353,692.12, 60,530,139.30 and 18,487,869.08

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Solution

The fourth proportional to 40,353,692.12, 60,530,139.30 and 18,487,869.08 is: 27,731,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353,692.12 : 60,530,139.30 = 18,487,869.08 : x
  2. Step 2: Convert to fraction form
    40,353,692.12/60,530,139.30 = 18,487,869.08/x
  3. Step 3: Cross multiply
    40,353,692.12x = 60,530,139.30 × 18,487,869.08
  4. Step 4: Simplify right side
    40,353,692.12x = 1,119,073,290,772,562.62
  5. Step 5: Solve for x
    x = 1,119,073,290,772,562.62/40,353,692.12
  6. Step 6: Final answer
    x = 27,731,620.87

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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.