Home / 10,880,921.60-16,321,996.80-3,308,134.40

Finding the Fourth Proportional to 10,880,921.60, 16,321,996.80 and 3,308,134.40

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Solution

The fourth proportional to 10,880,921.60, 16,321,996.80 and 3,308,134.40 is: 4,962,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,921.60 : 16,321,996.80 = 3,308,134.40 : x
  2. Step 2: Convert to fraction form
    10,880,921.60/16,321,996.80 = 3,308,134.40/x
  3. Step 3: Cross multiply
    10,880,921.60x = 16,321,996.80 × 3,308,134.40
  4. Step 4: Simplify right side
    10,880,921.60x = 53,995,359,090,769.92
  5. Step 5: Solve for x
    x = 53,995,359,090,769.92/10,880,921.60
  6. Step 6: Final answer
    x = 4,962,388.40

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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.