Home / 12,914,269.40-17,821,812.30-7,113,072.44

Finding the Fourth Proportional to 12,914,269.40, 17,821,812.30 and 7,113,072.44

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Solution

The fourth proportional to 12,914,269.40, 17,821,812.30 and 7,113,072.44 is: 9,816,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,269.40 : 17,821,812.30 = 7,113,072.44 : x
  2. Step 2: Convert to fraction form
    12,914,269.40/17,821,812.30 = 7,113,072.44/x
  3. Step 3: Cross multiply
    12,914,269.40x = 17,821,812.30 × 7,113,072.44
  4. Step 4: Simplify right side
    12,914,269.40x = 126,767,841,901,983.03
  5. Step 5: Solve for x
    x = 126,767,841,901,983.03/12,914,269.40
  6. Step 6: Final answer
    x = 9,816,106.35

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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.