Home / 13,180,413.20-18,187,585.51-7,299,893.34

Finding the Fourth Proportional to 13,180,413.20, 18,187,585.51 and 7,299,893.34

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Solution

The fourth proportional to 13,180,413.20, 18,187,585.51 and 7,299,893.34 is: 10,073,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,413.20 : 18,187,585.51 = 7,299,893.34 : x
  2. Step 2: Convert to fraction form
    13,180,413.20/18,187,585.51 = 7,299,893.34/x
  3. Step 3: Cross multiply
    13,180,413.20x = 18,187,585.51 × 7,299,893.34
  4. Step 4: Simplify right side
    13,180,413.20x = 132,767,434,335,129.52
  5. Step 5: Solve for x
    x = 132,767,434,335,129.52/13,180,413.20
  6. Step 6: Final answer
    x = 10,073,085.90

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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.