Home / 13,617,808.58-18,792,010.37-7,422,718.97

Finding the Fourth Proportional to 13,617,808.58, 18,792,010.37 and 7,422,718.97

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Solution

The fourth proportional to 13,617,808.58, 18,792,010.37 and 7,422,718.97 is: 10,243,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,808.58 : 18,792,010.37 = 7,422,718.97 : x
  2. Step 2: Convert to fraction form
    13,617,808.58/18,792,010.37 = 7,422,718.97/x
  3. Step 3: Cross multiply
    13,617,808.58x = 18,792,010.37 × 7,422,718.97
  4. Step 4: Simplify right side
    13,617,808.58x = 139,487,811,782,432.45
  5. Step 5: Solve for x
    x = 139,487,811,782,432.45/13,617,808.58
  6. Step 6: Final answer
    x = 10,243,043.95

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1.5x scale

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.