Home / 28,789,454.46-39,729,444.30-15,736,765.80

Finding the Fourth Proportional to 28,789,454.46, 39,729,444.30 and 15,736,765.80

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Solution

The fourth proportional to 28,789,454.46, 39,729,444.30 and 15,736,765.80 is: 21,716,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789,454.46 : 39,729,444.30 = 15,736,765.80 : x
  2. Step 2: Convert to fraction form
    28,789,454.46/39,729,444.30 = 15,736,765.80/x
  3. Step 3: Cross multiply
    28,789,454.46x = 39,729,444.30 × 15,736,765.80
  4. Step 4: Simplify right side
    28,789,454.46x = 625,212,960,313,244.88
  5. Step 5: Solve for x
    x = 625,212,960,313,244.88/28,789,454.46
  6. Step 6: Final answer
    x = 21,716,735.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.