Home / 12,290,755.82-16,961,244.02-6,784,132.08

Finding the Fourth Proportional to 12,290,755.82, 16,961,244.02 and 6,784,132.08

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Solution

The fourth proportional to 12,290,755.82, 16,961,244.02 and 6,784,132.08 is: 9,362,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,755.82 : 16,961,244.02 = 6,784,132.08 : x
  2. Step 2: Convert to fraction form
    12,290,755.82/16,961,244.02 = 6,784,132.08/x
  3. Step 3: Cross multiply
    12,290,755.82x = 16,961,244.02 × 6,784,132.08
  4. Step 4: Simplify right side
    12,290,755.82x = 115,067,319,638,869.50
  5. Step 5: Solve for x
    x = 115,067,319,638,869.50/12,290,755.82
  6. Step 6: Final answer
    x = 9,362,102.82

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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.