Home / 13,590,701.04-18,755,170.07-7,479,129.54

Finding the Fourth Proportional to 13,590,701.04, 18,755,170.07 and 7,479,129.54

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Solution

The fourth proportional to 13,590,701.04, 18,755,170.07 and 7,479,129.54 is: 10,321,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,701.04 : 18,755,170.07 = 7,479,129.54 : x
  2. Step 2: Convert to fraction form
    13,590,701.04/18,755,170.07 = 7,479,129.54/x
  3. Step 3: Cross multiply
    13,590,701.04x = 18,755,170.07 × 7,479,129.54
  4. Step 4: Simplify right side
    13,590,701.04x = 140,272,346,460,865.23
  5. Step 5: Solve for x
    x = 140,272,346,460,865.23/13,590,701.04
  6. Step 6: Final answer
    x = 10,321,200.21

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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.