Home / 17,052,833.21-25,533,413.12-12,989,966.76

Finding the Fourth Proportional to 17,052,833.21, 25,533,413.12 and 12,989,966.76

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Solution

The fourth proportional to 17,052,833.21, 25,533,413.12 and 12,989,966.76 is: 19,450,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052,833.21 : 25,533,413.12 = 12,989,966.76 : x
  2. Step 2: Convert to fraction form
    17,052,833.21/25,533,413.12 = 12,989,966.76/x
  3. Step 3: Cross multiply
    17,052,833.21x = 25,533,413.12 × 12,989,966.76
  4. Step 4: Simplify right side
    17,052,833.21x = 331,678,187,730,622.81
  5. Step 5: Solve for x
    x = 331,678,187,730,622.81/17,052,833.21
  6. Step 6: Final answer
    x = 19,450,034.12

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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.