Home / 13,096,319.42-18,073,330.56-7,515,586.89

Finding the Fourth Proportional to 13,096,319.42, 18,073,330.56 and 7,515,586.89

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Solution

The fourth proportional to 13,096,319.42, 18,073,330.56 and 7,515,586.89 is: 10,371,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,319.42 : 18,073,330.56 = 7,515,586.89 : x
  2. Step 2: Convert to fraction form
    13,096,319.42/18,073,330.56 = 7,515,586.89/x
  3. Step 3: Cross multiply
    13,096,319.42x = 18,073,330.56 × 7,515,586.89
  4. Step 4: Simplify right side
    13,096,319.42x = 135,831,686,215,372.34
  5. Step 5: Solve for x
    x = 135,831,686,215,372.34/13,096,319.42
  6. Step 6: Final answer
    x = 10,371,745.06

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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.