Home / 11,929,278.72-16,462,870.64-6,773,120

Finding the Fourth Proportional to 11,929,278.72, 16,462,870.64 and 6,773,120

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Solution

The fourth proportional to 11,929,278.72, 16,462,870.64 and 6,773,120 is: 9,347,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929,278.72 : 16,462,870.64 = 6,773,120 : x
  2. Step 2: Convert to fraction form
    11,929,278.72/16,462,870.64 = 6,773,120/x
  3. Step 3: Cross multiply
    11,929,278.72x = 16,462,870.64 × 6,773,120
  4. Step 4: Simplify right side
    11,929,278.72x = 111,504,998,389,196.80
  5. Step 5: Solve for x
    x = 111,504,998,389,196.80/11,929,278.72
  6. Step 6: Final answer
    x = 9,347,170.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.