Home / 13,989,019.50-20,960,331.31-8,507,534.31

Finding the Fourth Proportional to 13,989,019.50, 20,960,331.31 and 8,507,534.31

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Solution

The fourth proportional to 13,989,019.50, 20,960,331.31 and 8,507,534.31 is: 12,747,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,019.50 : 20,960,331.31 = 8,507,534.31 : x
  2. Step 2: Convert to fraction form
    13,989,019.50/20,960,331.31 = 8,507,534.31/x
  3. Step 3: Cross multiply
    13,989,019.50x = 20,960,331.31 × 8,507,534.31
  4. Step 4: Simplify right side
    13,989,019.50x = 178,320,737,768,792.25
  5. Step 5: Solve for x
    x = 178,320,737,768,792.25/13,989,019.50
  6. Step 6: Final answer
    x = 12,747,193.45

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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.