Home / 13,301,706.88-18,356,347.38-7,190,135.38

Finding the Fourth Proportional to 13,301,706.88, 18,356,347.38 and 7,190,135.38

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Solution

The fourth proportional to 13,301,706.88, 18,356,347.38 and 7,190,135.38 is: 9,922,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,706.88 : 18,356,347.38 = 7,190,135.38 : x
  2. Step 2: Convert to fraction form
    13,301,706.88/18,356,347.38 = 7,190,135.38/x
  3. Step 3: Cross multiply
    13,301,706.88x = 18,356,347.38 × 7,190,135.38
  4. Step 4: Simplify right side
    13,301,706.88x = 131,984,622,744,508.30
  5. Step 5: Solve for x
    x = 131,984,622,744,508.30/13,301,706.88
  6. Step 6: Final answer
    x = 9,922,382.44

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Double scale
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1.5x scale

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.