Home / 13,415,282.40-18,513,064.44-7,303,696.32

Finding the Fourth Proportional to 13,415,282.40, 18,513,064.44 and 7,303,696.32

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Solution

The fourth proportional to 13,415,282.40, 18,513,064.44 and 7,303,696.32 is: 10,079,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,282.40 : 18,513,064.44 = 7,303,696.32 : x
  2. Step 2: Convert to fraction form
    13,415,282.40/18,513,064.44 = 7,303,696.32/x
  3. Step 3: Cross multiply
    13,415,282.40x = 18,513,064.44 × 7,303,696.32
  4. Step 4: Simplify right side
    13,415,282.40x = 135,213,800,622,350.88
  5. Step 5: Solve for x
    x = 135,213,800,622,350.88/13,415,282.40
  6. Step 6: Final answer
    x = 10,079,087.16

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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.