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Finding the Fourth Proportional to 9,910,902.60, 13,907,150.10 and 9,910,902.60

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Solution

The fourth proportional to 9,910,902.60, 13,907,150.10 and 9,910,902.60 is: 13,907,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910,902.60 : 13,907,150.10 = 9,910,902.60 : x
  2. Step 2: Convert to fraction form
    9,910,902.60/13,907,150.10 = 9,910,902.60/x
  3. Step 3: Cross multiply
    9,910,902.60x = 13,907,150.10 × 9,910,902.60
  4. Step 4: Simplify right side
    9,910,902.60x = 137,832,410,084,680.25
  5. Step 5: Solve for x
    x = 137,832,410,084,680.25/9,910,902.60
  6. Step 6: Final answer
    x = 13,907,150.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.