Home / 13,590,710.50-18,755,183.24-7,479,139

Finding the Fourth Proportional to 13,590,710.50, 18,755,183.24 and 7,479,139

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Solution

The fourth proportional to 13,590,710.50, 18,755,183.24 and 7,479,139 is: 10,321,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,710.50 : 18,755,183.24 = 7,479,139 : x
  2. Step 2: Convert to fraction form
    13,590,710.50/18,755,183.24 = 7,479,139/x
  3. Step 3: Cross multiply
    13,590,710.50x = 18,755,183.24 × 7,479,139
  4. Step 4: Simplify right side
    13,590,710.50x = 140,272,622,422,430.34
  5. Step 5: Solve for x
    x = 140,272,622,422,430.34/13,590,710.50
  6. Step 6: Final answer
    x = 10,321,213.33

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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.