Home / 28,375,488.56-39,158,293.79-15,985,730.64

Finding the Fourth Proportional to 28,375,488.56, 39,158,293.79 and 15,985,730.64

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Solution

The fourth proportional to 28,375,488.56, 39,158,293.79 and 15,985,730.64 is: 22,060,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,488.56 : 39,158,293.79 = 15,985,730.64 : x
  2. Step 2: Convert to fraction form
    28,375,488.56/39,158,293.79 = 15,985,730.64/x
  3. Step 3: Cross multiply
    28,375,488.56x = 39,158,293.79 × 15,985,730.64
  4. Step 4: Simplify right side
    28,375,488.56x = 625,973,936,848,924.75
  5. Step 5: Solve for x
    x = 625,973,936,848,924.75/28,375,488.56
  6. Step 6: Final answer
    x = 22,060,375.65

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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.