Home / 19,019,904.61-28,531,044.04-5,374,098.97

Finding the Fourth Proportional to 19,019,904.61, 28,531,044.04 and 5,374,098.97

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Solution

The fourth proportional to 19,019,904.61, 28,531,044.04 and 5,374,098.97 is: 8,061,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019,904.61 : 28,531,044.04 = 5,374,098.97 : x
  2. Step 2: Convert to fraction form
    19,019,904.61/28,531,044.04 = 5,374,098.97/x
  3. Step 3: Cross multiply
    19,019,904.61x = 28,531,044.04 × 5,374,098.97
  4. Step 4: Simplify right side
    19,019,904.61x = 153,328,654,388,388.62
  5. Step 5: Solve for x
    x = 153,328,654,388,388.62/19,019,904.61
  6. Step 6: Final answer
    x = 8,061,483.88

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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.