Home / 13,608,102.56-20,412,182.64-12,776,692.64

Finding the Fourth Proportional to 13,608,102.56, 20,412,182.64 and 12,776,692.64

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Solution

The fourth proportional to 13,608,102.56, 20,412,182.64 and 12,776,692.64 is: 19,165,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,102.56 : 20,412,182.64 = 12,776,692.64 : x
  2. Step 2: Convert to fraction form
    13,608,102.56/20,412,182.64 = 12,776,692.64/x
  3. Step 3: Cross multiply
    13,608,102.56x = 20,412,182.64 × 12,776,692.64
  4. Step 4: Simplify right side
    13,608,102.56x = 260,800,183,702,823.78
  5. Step 5: Solve for x
    x = 260,800,183,702,823.78/13,608,102.56
  6. Step 6: Final answer
    x = 19,165,066.00

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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.