Home / 12,385,327.54-17,091,791.61-6,878,701.41

Finding the Fourth Proportional to 12,385,327.54, 17,091,791.61 and 6,878,701.41

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Solution

The fourth proportional to 12,385,327.54, 17,091,791.61 and 6,878,701.41 is: 9,492,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,327.54 : 17,091,791.61 = 6,878,701.41 : x
  2. Step 2: Convert to fraction form
    12,385,327.54/17,091,791.61 = 6,878,701.41/x
  3. Step 3: Cross multiply
    12,385,327.54x = 17,091,791.61 × 6,878,701.41
  4. Step 4: Simplify right side
    12,385,327.54x = 117,569,331,047,133.17
  5. Step 5: Solve for x
    x = 117,569,331,047,133.17/12,385,327.54
  6. Step 6: Final answer
    x = 9,492,629.94

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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.