Home / 30,238,872.60-45,376,023.60-11,071,567.20

Finding the Fourth Proportional to 30,238,872.60, 45,376,023.60 and 11,071,567.20

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Solution

The fourth proportional to 30,238,872.60, 45,376,023.60 and 11,071,567.20 is: 16,613,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238,872.60 : 45,376,023.60 = 11,071,567.20 : x
  2. Step 2: Convert to fraction form
    30,238,872.60/45,376,023.60 = 11,071,567.20/x
  3. Step 3: Cross multiply
    30,238,872.60x = 45,376,023.60 × 11,071,567.20
  4. Step 4: Simplify right side
    30,238,872.60x = 502,383,694,556,185.88
  5. Step 5: Solve for x
    x = 502,383,694,556,185.88/30,238,872.60
  6. Step 6: Final answer
    x = 16,613,836.81

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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.