Home / 6,720,015.40-10,079,115.90-2,679,476.20

Finding the Fourth Proportional to 6,720,015.40, 10,079,115.90 and 2,679,476.20

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Solution

The fourth proportional to 6,720,015.40, 10,079,115.90 and 2,679,476.20 is: 4,018,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,015.40 : 10,079,115.90 = 2,679,476.20 : x
  2. Step 2: Convert to fraction form
    6,720,015.40/10,079,115.90 = 2,679,476.20/x
  3. Step 3: Cross multiply
    6,720,015.40x = 10,079,115.90 × 2,679,476.20
  4. Step 4: Simplify right side
    6,720,015.40x = 27,006,751,171,091.58
  5. Step 5: Solve for x
    x = 27,006,751,171,091.58/6,720,015.40
  6. Step 6: Final answer
    x = 4,018,852.57

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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.