Home / 11,179,945.60-16,769,918.40-7,148,867.20

Finding the Fourth Proportional to 11,179,945.60, 16,769,918.40 and 7,148,867.20

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Solution

The fourth proportional to 11,179,945.60, 16,769,918.40 and 7,148,867.20 is: 10,723,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179,945.60 : 16,769,918.40 = 7,148,867.20 : x
  2. Step 2: Convert to fraction form
    11,179,945.60/16,769,918.40 = 7,148,867.20/x
  3. Step 3: Cross multiply
    11,179,945.60x = 16,769,918.40 × 7,148,867.20
  4. Step 4: Simplify right side
    11,179,945.60x = 119,885,919,596,436.48
  5. Step 5: Solve for x
    x = 119,885,919,596,436.48/11,179,945.60
  6. Step 6: Final answer
    x = 10,723,300.80

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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.