Home / 13,593,993.09-18,761,307.89-7,634,379.32

Finding the Fourth Proportional to 13,593,993.09, 18,761,307.89 and 7,634,379.32

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Solution

The fourth proportional to 13,593,993.09, 18,761,307.89 and 7,634,379.32 is: 10,536,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,993.09 : 18,761,307.89 = 7,634,379.32 : x
  2. Step 2: Convert to fraction form
    13,593,993.09/18,761,307.89 = 7,634,379.32/x
  3. Step 3: Cross multiply
    13,593,993.09x = 18,761,307.89 × 7,634,379.32
  4. Step 4: Simplify right side
    13,593,993.09x = 143,230,940,839,590.41
  5. Step 5: Solve for x
    x = 143,230,940,839,590.41/13,593,993.09
  6. Step 6: Final answer
    x = 10,536,340.57

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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.