Home / 8,903,974.60-13,355,961.90-5,313,795.40

Finding the Fourth Proportional to 8,903,974.60, 13,355,961.90 and 5,313,795.40

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Solution

The fourth proportional to 8,903,974.60, 13,355,961.90 and 5,313,795.40 is: 7,970,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903,974.60 : 13,355,961.90 = 5,313,795.40 : x
  2. Step 2: Convert to fraction form
    8,903,974.60/13,355,961.90 = 5,313,795.40/x
  3. Step 3: Cross multiply
    8,903,974.60x = 13,355,961.90 × 5,313,795.40
  4. Step 4: Simplify right side
    8,903,974.60x = 70,970,848,906,795.27
  5. Step 5: Solve for x
    x = 70,970,848,906,795.27/8,903,974.60
  6. Step 6: Final answer
    x = 7,970,693.10

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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.