Home / 18,792,117.40-28,188,176.10-10,572,496.60

Finding the Fourth Proportional to 18,792,117.40, 28,188,176.10 and 10,572,496.60

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Solution

The fourth proportional to 18,792,117.40, 28,188,176.10 and 10,572,496.60 is: 15,858,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,117.40 : 28,188,176.10 = 10,572,496.60 : x
  2. Step 2: Convert to fraction form
    18,792,117.40/28,188,176.10 = 10,572,496.60/x
  3. Step 3: Cross multiply
    18,792,117.40x = 28,188,176.10 × 10,572,496.60
  4. Step 4: Simplify right side
    18,792,117.40x = 298,019,395,977,451.25
  5. Step 5: Solve for x
    x = 298,019,395,977,451.25/18,792,117.40
  6. Step 6: Final answer
    x = 15,858,744.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.