Home / 12,869,031.68-19,297,654.24-7,683,995.04

Finding the Fourth Proportional to 12,869,031.68, 19,297,654.24 and 7,683,995.04

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Solution

The fourth proportional to 12,869,031.68, 19,297,654.24 and 7,683,995.04 is: 11,522,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,031.68 : 19,297,654.24 = 7,683,995.04 : x
  2. Step 2: Convert to fraction form
    12,869,031.68/19,297,654.24 = 7,683,995.04/x
  3. Step 3: Cross multiply
    12,869,031.68x = 19,297,654.24 × 7,683,995.04
  4. Step 4: Simplify right side
    12,869,031.68x = 148,283,079,463,794.97
  5. Step 5: Solve for x
    x = 148,283,079,463,794.97/12,869,031.68
  6. Step 6: Final answer
    x = 11,522,473.73

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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.