Home / 19,319,209.68-28,992,096.92-7,959,656.28

Finding the Fourth Proportional to 19,319,209.68, 28,992,096.92 and 7,959,656.28

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Solution

The fourth proportional to 19,319,209.68, 28,992,096.92 and 7,959,656.28 is: 11,944,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,209.68 : 28,992,096.92 = 7,959,656.28 : x
  2. Step 2: Convert to fraction form
    19,319,209.68/28,992,096.92 = 7,959,656.28/x
  3. Step 3: Cross multiply
    19,319,209.68x = 28,992,096.92 × 7,959,656.28
  4. Step 4: Simplify right side
    19,319,209.68x = 230,767,126,319,646.69
  5. Step 5: Solve for x
    x = 230,767,126,319,646.69/19,319,209.68
  6. Step 6: Final answer
    x = 11,944,956.87

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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.