Home / 12,631,393.10-17,431,310.08-6,830,160.96

Finding the Fourth Proportional to 12,631,393.10, 17,431,310.08 and 6,830,160.96

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Solution

The fourth proportional to 12,631,393.10, 17,431,310.08 and 6,830,160.96 is: 9,425,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,393.10 : 17,431,310.08 = 6,830,160.96 : x
  2. Step 2: Convert to fraction form
    12,631,393.10/17,431,310.08 = 6,830,160.96/x
  3. Step 3: Cross multiply
    12,631,393.10x = 17,431,310.08 × 6,830,160.96
  4. Step 4: Simplify right side
    12,631,393.10x = 119,058,653,590,070.47
  5. Step 5: Solve for x
    x = 119,058,653,590,070.47/12,631,393.10
  6. Step 6: Final answer
    x = 9,425,615.42

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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.