Home / 18,269,140.96-25,211,413.97-10,009,516.51

Finding the Fourth Proportional to 18,269,140.96, 25,211,413.97 and 10,009,516.51

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Solution

The fourth proportional to 18,269,140.96, 25,211,413.97 and 10,009,516.51 is: 13,813,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,140.96 : 25,211,413.97 = 10,009,516.51 : x
  2. Step 2: Convert to fraction form
    18,269,140.96/25,211,413.97 = 10,009,516.51/x
  3. Step 3: Cross multiply
    18,269,140.96x = 25,211,413.97 × 10,009,516.51
  4. Step 4: Simplify right side
    18,269,140.96x = 252,354,064,373,159.62
  5. Step 5: Solve for x
    x = 252,354,064,373,159.62/18,269,140.96
  6. Step 6: Final answer
    x = 13,813,132.48

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Double scale
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Similar ratio
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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.