Home / 8,520,135.87-11,758,638.35-5,082,376.90

Finding the Fourth Proportional to 8,520,135.87, 11,758,638.35 and 5,082,376.90

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Solution

The fourth proportional to 8,520,135.87, 11,758,638.35 and 5,082,376.90 is: 7,014,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,135.87 : 11,758,638.35 = 5,082,376.90 : x
  2. Step 2: Convert to fraction form
    8,520,135.87/11,758,638.35 = 5,082,376.90/x
  3. Step 3: Cross multiply
    8,520,135.87x = 11,758,638.35 × 5,082,376.90
  4. Step 4: Simplify right side
    8,520,135.87x = 59,761,831,900,082.24
  5. Step 5: Solve for x
    x = 59,761,831,900,082.24/8,520,135.87
  6. Step 6: Final answer
    x = 7,014,187.67

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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.