Home / 12,151,816.80-18,227,725.20-4,960,960.80

Finding the Fourth Proportional to 12,151,816.80, 18,227,725.20 and 4,960,960.80

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Solution

The fourth proportional to 12,151,816.80, 18,227,725.20 and 4,960,960.80 is: 7,441,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,816.80 : 18,227,725.20 = 4,960,960.80 : x
  2. Step 2: Convert to fraction form
    12,151,816.80/18,227,725.20 = 4,960,960.80/x
  3. Step 3: Cross multiply
    12,151,816.80x = 18,227,725.20 × 4,960,960.80
  4. Step 4: Simplify right side
    12,151,816.80x = 90,427,030,190,372.16
  5. Step 5: Solve for x
    x = 90,427,030,190,372.16/12,151,816.80
  6. Step 6: Final answer
    x = 7,441,441.20

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1.5x scale

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.