Home / 12,148,692.60-18,223,254.90-3,629,134.20

Finding the Fourth Proportional to 12,148,692.60, 18,223,254.90 and 3,629,134.20

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Solution

The fourth proportional to 12,148,692.60, 18,223,254.90 and 3,629,134.20 is: 5,443,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,692.60 : 18,223,254.90 = 3,629,134.20 : x
  2. Step 2: Convert to fraction form
    12,148,692.60/18,223,254.90 = 3,629,134.20/x
  3. Step 3: Cross multiply
    12,148,692.60x = 18,223,254.90 × 3,629,134.20
  4. Step 4: Simplify right side
    12,148,692.60x = 66,134,637,592,907.58
  5. Step 5: Solve for x
    x = 66,134,637,592,907.58/12,148,692.60
  6. Step 6: Final answer
    x = 5,443,765.82

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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.