Home / 19,920,096.23-27,489,789.72-11,549,092.79

Finding the Fourth Proportional to 19,920,096.23, 27,489,789.72 and 11,549,092.79

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Solution

The fourth proportional to 19,920,096.23, 27,489,789.72 and 11,549,092.79 is: 15,937,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,096.23 : 27,489,789.72 = 11,549,092.79 : x
  2. Step 2: Convert to fraction form
    19,920,096.23/27,489,789.72 = 11,549,092.79/x
  3. Step 3: Cross multiply
    19,920,096.23x = 27,489,789.72 × 11,549,092.79
  4. Step 4: Simplify right side
    19,920,096.23x = 317,482,132,196,122.62
  5. Step 5: Solve for x
    x = 317,482,132,196,122.62/19,920,096.23
  6. Step 6: Final answer
    x = 15,937,781.05

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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.