Home / 18,691,189.47-25,792,765.29-10,430,603.42

Finding the Fourth Proportional to 18,691,189.47, 25,792,765.29 and 10,430,603.42

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Solution

The fourth proportional to 18,691,189.47, 25,792,765.29 and 10,430,603.42 is: 14,393,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,189.47 : 25,792,765.29 = 10,430,603.42 : x
  2. Step 2: Convert to fraction form
    18,691,189.47/25,792,765.29 = 10,430,603.42/x
  3. Step 3: Cross multiply
    18,691,189.47x = 25,792,765.29 × 10,430,603.42
  4. Step 4: Simplify right side
    18,691,189.47x = 269,034,105,716,167.44
  5. Step 5: Solve for x
    x = 269,034,105,716,167.44/18,691,189.47
  6. Step 6: Final answer
    x = 14,393,632.15

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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.