Home / 40,328,805.70-60,493,208.55-13,402,461.70

Finding the Fourth Proportional to 40,328,805.70, 60,493,208.55 and 13,402,461.70

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Solution

The fourth proportional to 40,328,805.70, 60,493,208.55 and 13,402,461.70 is: 20,103,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328,805.70 : 60,493,208.55 = 13,402,461.70 : x
  2. Step 2: Convert to fraction form
    40,328,805.70/60,493,208.55 = 13,402,461.70/x
  3. Step 3: Cross multiply
    40,328,805.70x = 60,493,208.55 × 13,402,461.70
  4. Step 4: Simplify right side
    40,328,805.70x = 810,757,910,701,487.50
  5. Step 5: Solve for x
    x = 810,757,910,701,487.50/40,328,805.70
  6. Step 6: Final answer
    x = 20,103,692.55

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Similar ratio
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1.5x scale

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.