Home / 19,430,963.14-29,156,531.96-7,924,871.83

Finding the Fourth Proportional to 19,430,963.14, 29,156,531.96 and 7,924,871.83

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Solution

The fourth proportional to 19,430,963.14, 29,156,531.96 and 7,924,871.83 is: 11,891,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,963.14 : 29,156,531.96 = 7,924,871.83 : x
  2. Step 2: Convert to fraction form
    19,430,963.14/29,156,531.96 = 7,924,871.83/x
  3. Step 3: Cross multiply
    19,430,963.14x = 29,156,531.96 × 7,924,871.83
  4. Step 4: Simplify right side
    19,430,963.14x = 231,061,778,851,620.62
  5. Step 5: Solve for x
    x = 231,061,778,851,620.62/19,430,963.14
  6. Step 6: Final answer
    x = 11,891,421.81

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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.