Home / 12,676,647.30-17,494,169.13-7,169,914.32

Finding the Fourth Proportional to 12,676,647.30, 17,494,169.13 and 7,169,914.32

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Solution

The fourth proportional to 12,676,647.30, 17,494,169.13 and 7,169,914.32 is: 9,894,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,647.30 : 17,494,169.13 = 7,169,914.32 : x
  2. Step 2: Convert to fraction form
    12,676,647.30/17,494,169.13 = 7,169,914.32/x
  3. Step 3: Cross multiply
    12,676,647.30x = 17,494,169.13 × 7,169,914.32
  4. Step 4: Simplify right side
    12,676,647.30x = 125,431,693,761,688.94
  5. Step 5: Solve for x
    x = 125,431,693,761,688.94/12,676,647.30
  6. Step 6: Final answer
    x = 9,894,705.66

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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.