Home / 28,800,707.70-43,201,103.13-11,761,380.64

Finding the Fourth Proportional to 28,800,707.70, 43,201,103.13 and 11,761,380.64

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Solution

The fourth proportional to 28,800,707.70, 43,201,103.13 and 11,761,380.64 is: 17,642,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800,707.70 : 43,201,103.13 = 11,761,380.64 : x
  2. Step 2: Convert to fraction form
    28,800,707.70/43,201,103.13 = 11,761,380.64/x
  3. Step 3: Cross multiply
    28,800,707.70x = 43,201,103.13 × 11,761,380.64
  4. Step 4: Simplify right side
    28,800,707.70x = 508,104,617,705,013
  5. Step 5: Solve for x
    x = 508,104,617,705,013/28,800,707.70
  6. Step 6: Final answer
    x = 17,642,087.93

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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.