Home / 13,617,840.76-18,792,054.76-7,422,751.16

Finding the Fourth Proportional to 13,617,840.76, 18,792,054.76 and 7,422,751.16

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Solution

The fourth proportional to 13,617,840.76, 18,792,054.76 and 7,422,751.16 is: 10,243,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,840.76 : 18,792,054.76 = 7,422,751.16 : x
  2. Step 2: Convert to fraction form
    13,617,840.76/18,792,054.76 = 7,422,751.16/x
  3. Step 3: Cross multiply
    13,617,840.76x = 18,792,054.76 × 7,422,751.16
  4. Step 4: Simplify right side
    13,617,840.76x = 139,488,746,268,573.53
  5. Step 5: Solve for x
    x = 139,488,746,268,573.53/13,617,840.76
  6. Step 6: Final answer
    x = 10,243,088.37

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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.