Home / 10,987,224.40-16,480,836.60-7,160,849.20

Finding the Fourth Proportional to 10,987,224.40, 16,480,836.60 and 7,160,849.20

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Solution

The fourth proportional to 10,987,224.40, 16,480,836.60 and 7,160,849.20 is: 10,741,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,224.40 : 16,480,836.60 = 7,160,849.20 : x
  2. Step 2: Convert to fraction form
    10,987,224.40/16,480,836.60 = 7,160,849.20/x
  3. Step 3: Cross multiply
    10,987,224.40x = 16,480,836.60 × 7,160,849.20
  4. Step 4: Simplify right side
    10,987,224.40x = 118,016,785,582,440.72
  5. Step 5: Solve for x
    x = 118,016,785,582,440.72/10,987,224.40
  6. Step 6: Final answer
    x = 10,741,273.80

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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.