Home / 12,140,180.80-18,186,651.60-7,333,592.20

Finding the Fourth Proportional to 12,140,180.80, 18,186,651.60 and 7,333,592.20

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Solution

The fourth proportional to 12,140,180.80, 18,186,651.60 and 7,333,592.20 is: 10,986,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,180.80 : 18,186,651.60 = 7,333,592.20 : x
  2. Step 2: Convert to fraction form
    12,140,180.80/18,186,651.60 = 7,333,592.20/x
  3. Step 3: Cross multiply
    12,140,180.80x = 18,186,651.60 × 7,333,592.20
  4. Step 4: Simplify right side
    12,140,180.80x = 133,373,486,317,877.53
  5. Step 5: Solve for x
    x = 133,373,486,317,877.53/12,140,180.80
  6. Step 6: Final answer
    x = 10,986,120.27

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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.