Home / 13,590,698.76-18,755,166.96-7,479,127.26

Finding the Fourth Proportional to 13,590,698.76, 18,755,166.96 and 7,479,127.26

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Solution

The fourth proportional to 13,590,698.76, 18,755,166.96 and 7,479,127.26 is: 10,321,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,698.76 : 18,755,166.96 = 7,479,127.26 : x
  2. Step 2: Convert to fraction form
    13,590,698.76/18,755,166.96 = 7,479,127.26/x
  3. Step 3: Cross multiply
    13,590,698.76x = 18,755,166.96 × 7,479,127.26
  4. Step 4: Simplify right side
    13,590,698.76x = 140,272,280,476,387.33
  5. Step 5: Solve for x
    x = 140,272,280,476,387.33/13,590,698.76
  6. Step 6: Final answer
    x = 10,321,197.09

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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.