Home / 12,142,388.98-18,211,587.95-4,359,692.14

Finding the Fourth Proportional to 12,142,388.98, 18,211,587.95 and 4,359,692.14

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Solution

The fourth proportional to 12,142,388.98, 18,211,587.95 and 4,359,692.14 is: 6,538,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,388.98 : 18,211,587.95 = 4,359,692.14 : x
  2. Step 2: Convert to fraction form
    12,142,388.98/18,211,587.95 = 4,359,692.14/x
  3. Step 3: Cross multiply
    12,142,388.98x = 18,211,587.95 × 4,359,692.14
  4. Step 4: Simplify right side
    12,142,388.98x = 79,396,916,775,206.28
  5. Step 5: Solve for x
    x = 79,396,916,775,206.28/12,142,388.98
  6. Step 6: Final answer
    x = 6,538,821.72

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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.