Home / 13,617,854.19-18,792,073.17-7,422,764.60

Finding the Fourth Proportional to 13,617,854.19, 18,792,073.17 and 7,422,764.60

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Solution

The fourth proportional to 13,617,854.19, 18,792,073.17 and 7,422,764.60 is: 10,243,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,854.19 : 18,792,073.17 = 7,422,764.60 : x
  2. Step 2: Convert to fraction form
    13,617,854.19/18,792,073.17 = 7,422,764.60/x
  3. Step 3: Cross multiply
    13,617,854.19x = 18,792,073.17 × 7,422,764.60
  4. Step 4: Simplify right side
    13,617,854.19x = 139,489,135,533,865.98
  5. Step 5: Solve for x
    x = 139,489,135,533,865.98/13,617,854.19
  6. Step 6: Final answer
    x = 10,243,106.85

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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.