Home / 10,905,688.20-16,393,961.70-9,346,794.60

Finding the Fourth Proportional to 10,905,688.20, 16,393,961.70 and 9,346,794.60

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Solution

The fourth proportional to 10,905,688.20, 16,393,961.70 and 9,346,794.60 is: 14,050,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905,688.20 : 16,393,961.70 = 9,346,794.60 : x
  2. Step 2: Convert to fraction form
    10,905,688.20/16,393,961.70 = 9,346,794.60/x
  3. Step 3: Cross multiply
    10,905,688.20x = 16,393,961.70 × 9,346,794.60
  4. Step 4: Simplify right side
    10,905,688.20x = 153,230,992,690,166.81
  5. Step 5: Solve for x
    x = 153,230,992,690,166.81/10,905,688.20
  6. Step 6: Final answer
    x = 14,050,556.91

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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.