Home / 12,463,722.40-18,695,583.60-11,847,863.20

Finding the Fourth Proportional to 12,463,722.40, 18,695,583.60 and 11,847,863.20

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Solution

The fourth proportional to 12,463,722.40, 18,695,583.60 and 11,847,863.20 is: 17,771,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,722.40 : 18,695,583.60 = 11,847,863.20 : x
  2. Step 2: Convert to fraction form
    12,463,722.40/18,695,583.60 = 11,847,863.20/x
  3. Step 3: Cross multiply
    12,463,722.40x = 18,695,583.60 × 11,847,863.20
  4. Step 4: Simplify right side
    12,463,722.40x = 221,502,716,936,963.53
  5. Step 5: Solve for x
    x = 221,502,716,936,963.53/12,463,722.40
  6. Step 6: Final answer
    x = 17,771,794.80

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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.