Home / 10,918,922.40-16,378,383.60-10,777,204.80

Finding the Fourth Proportional to 10,918,922.40, 16,378,383.60 and 10,777,204.80

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Solution

The fourth proportional to 10,918,922.40, 16,378,383.60 and 10,777,204.80 is: 16,165,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,922.40 : 16,378,383.60 = 10,777,204.80 : x
  2. Step 2: Convert to fraction form
    10,918,922.40/16,378,383.60 = 10,777,204.80/x
  3. Step 3: Cross multiply
    10,918,922.40x = 16,378,383.60 × 10,777,204.80
  4. Step 4: Simplify right side
    10,918,922.40x = 176,513,194,350,161.28
  5. Step 5: Solve for x
    x = 176,513,194,350,161.28/10,918,922.40
  6. Step 6: Final answer
    x = 16,165,807.20

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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.