Home / 8,123,422.57-11,211,558.30-5,184,507.67

Finding the Fourth Proportional to 8,123,422.57, 11,211,558.30 and 5,184,507.67

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Solution

The fourth proportional to 8,123,422.57, 11,211,558.30 and 5,184,507.67 is: 7,155,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,422.57 : 11,211,558.30 = 5,184,507.67 : x
  2. Step 2: Convert to fraction form
    8,123,422.57/11,211,558.30 = 5,184,507.67/x
  3. Step 3: Cross multiply
    8,123,422.57x = 11,211,558.30 × 5,184,507.67
  4. Step 4: Simplify right side
    8,123,422.57x = 58,126,409,970,973.27
  5. Step 5: Solve for x
    x = 58,126,409,970,973.27/8,123,422.57
  6. Step 6: Final answer
    x = 7,155,408.88

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1.5x scale

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.