Home / 18,517,443.48-25,553,751.90-10,257,332.60

Finding the Fourth Proportional to 18,517,443.48, 25,553,751.90 and 10,257,332.60

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Solution

The fourth proportional to 18,517,443.48, 25,553,751.90 and 10,257,332.60 is: 14,154,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,443.48 : 25,553,751.90 = 10,257,332.60 : x
  2. Step 2: Convert to fraction form
    18,517,443.48/25,553,751.90 = 10,257,332.60/x
  3. Step 3: Cross multiply
    18,517,443.48x = 25,553,751.90 × 10,257,332.60
  4. Step 4: Simplify right side
    18,517,443.48x = 262,113,332,288,413.19
  5. Step 5: Solve for x
    x = 262,113,332,288,413.19/18,517,443.48
  6. Step 6: Final answer
    x = 14,154,941.67

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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.