Home / 12,251,333.20-18,376,999.80-10,338,145.60

Finding the Fourth Proportional to 12,251,333.20, 18,376,999.80 and 10,338,145.60

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Solution

The fourth proportional to 12,251,333.20, 18,376,999.80 and 10,338,145.60 is: 15,507,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,333.20 : 18,376,999.80 = 10,338,145.60 : x
  2. Step 2: Convert to fraction form
    12,251,333.20/18,376,999.80 = 10,338,145.60/x
  3. Step 3: Cross multiply
    12,251,333.20x = 18,376,999.80 × 10,338,145.60
  4. Step 4: Simplify right side
    12,251,333.20x = 189,984,099,623,570.88
  5. Step 5: Solve for x
    x = 189,984,099,623,570.88/12,251,333.20
  6. Step 6: Final answer
    x = 15,507,218.40

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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.