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Finding the Fourth Proportional to 8,731,201.10, 13,096,801.65 and 8,731,201.10

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Solution

The fourth proportional to 8,731,201.10, 13,096,801.65 and 8,731,201.10 is: 13,096,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,201.10 : 13,096,801.65 = 8,731,201.10 : x
  2. Step 2: Convert to fraction form
    8,731,201.10/13,096,801.65 = 8,731,201.10/x
  3. Step 3: Cross multiply
    8,731,201.10x = 13,096,801.65 × 8,731,201.10
  4. Step 4: Simplify right side
    8,731,201.10x = 114,350,808,972,961.81
  5. Step 5: Solve for x
    x = 114,350,808,972,961.81/8,731,201.10
  6. Step 6: Final answer
    x = 13,096,801.65

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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.