Home / 12,096,749.70-18,145,124.55-11,686,176.90

Finding the Fourth Proportional to 12,096,749.70, 18,145,124.55 and 11,686,176.90

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Solution

The fourth proportional to 12,096,749.70, 18,145,124.55 and 11,686,176.90 is: 17,529,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,749.70 : 18,145,124.55 = 11,686,176.90 : x
  2. Step 2: Convert to fraction form
    12,096,749.70/18,145,124.55 = 11,686,176.90/x
  3. Step 3: Cross multiply
    12,096,749.70x = 18,145,124.55 × 11,686,176.90
  4. Step 4: Simplify right side
    12,096,749.70x = 212,047,135,363,832.91
  5. Step 5: Solve for x
    x = 212,047,135,363,832.91/12,096,749.70
  6. Step 6: Final answer
    x = 17,529,265.35

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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.