Home / 39,430,960.80-59,135,943.60-12,137,200.80

Finding the Fourth Proportional to 39,430,960.80, 59,135,943.60 and 12,137,200.80

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Solution

The fourth proportional to 39,430,960.80, 59,135,943.60 and 12,137,200.80 is: 18,202,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430,960.80 : 59,135,943.60 = 12,137,200.80 : x
  2. Step 2: Convert to fraction form
    39,430,960.80/59,135,943.60 = 12,137,200.80/x
  3. Step 3: Cross multiply
    39,430,960.80x = 59,135,943.60 × 12,137,200.80
  4. Step 4: Simplify right side
    39,430,960.80x = 717,744,821,970,675
  5. Step 5: Solve for x
    x = 717,744,821,970,675/39,430,960.80
  6. Step 6: Final answer
    x = 18,202,569.95

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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.