Home / 19,201,697.66-28,802,575.65-7,842,146.29

Finding the Fourth Proportional to 19,201,697.66, 28,802,575.65 and 7,842,146.29

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Solution

The fourth proportional to 19,201,697.66, 28,802,575.65 and 7,842,146.29 is: 11,763,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,697.66 : 28,802,575.65 = 7,842,146.29 : x
  2. Step 2: Convert to fraction form
    19,201,697.66/28,802,575.65 = 7,842,146.29/x
  3. Step 3: Cross multiply
    19,201,697.66x = 28,802,575.65 × 7,842,146.29
  4. Step 4: Simplify right side
    19,201,697.66x = 225,874,011,733,493.44
  5. Step 5: Solve for x
    x = 225,874,011,733,493.44/19,201,697.66
  6. Step 6: Final answer
    x = 11,763,231.34

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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.