Home / 12,283,171.95-16,950,682.65-6,776,778.90

Finding the Fourth Proportional to 12,283,171.95, 16,950,682.65 and 6,776,778.90

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Solution

The fourth proportional to 12,283,171.95, 16,950,682.65 and 6,776,778.90 is: 9,351,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,171.95 : 16,950,682.65 = 6,776,778.90 : x
  2. Step 2: Convert to fraction form
    12,283,171.95/16,950,682.65 = 6,776,778.90/x
  3. Step 3: Cross multiply
    12,283,171.95x = 16,950,682.65 × 6,776,778.90
  4. Step 4: Simplify right side
    12,283,171.95x = 114,871,028,523,116.08
  5. Step 5: Solve for x
    x = 114,871,028,523,116.08/12,283,171.95
  6. Step 6: Final answer
    x = 9,351,902.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.