Home / 13,617,860.70-18,792,082.14-7,422,771.08

Finding the Fourth Proportional to 13,617,860.70, 18,792,082.14 and 7,422,771.08

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Solution

The fourth proportional to 13,617,860.70, 18,792,082.14 and 7,422,771.08 is: 10,243,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,860.70 : 18,792,082.14 = 7,422,771.08 : x
  2. Step 2: Convert to fraction form
    13,617,860.70/18,792,082.14 = 7,422,771.08/x
  3. Step 3: Cross multiply
    13,617,860.70x = 18,792,082.14 × 7,422,771.08
  4. Step 4: Simplify right side
    13,617,860.70x = 139,489,323,841,776.52
  5. Step 5: Solve for x
    x = 139,489,323,841,776.52/13,617,860.70
  6. Step 6: Final answer
    x = 10,243,115.78

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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.