Home / 12,310,877.88-16,989,891-6,804,134.28

Finding the Fourth Proportional to 12,310,877.88, 16,989,891 and 6,804,134.28

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Solution

The fourth proportional to 12,310,877.88, 16,989,891 and 6,804,134.28 is: 9,390,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,877.88 : 16,989,891 = 6,804,134.28 : x
  2. Step 2: Convert to fraction form
    12,310,877.88/16,989,891 = 6,804,134.28/x
  3. Step 3: Cross multiply
    12,310,877.88x = 16,989,891 × 6,804,134.28
  4. Step 4: Simplify right side
    12,310,877.88x = 115,601,499,766,563.48
  5. Step 5: Solve for x
    x = 115,601,499,766,563.48/12,310,877.88
  6. Step 6: Final answer
    x = 9,390,191.41

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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.