Home / 13,243,531.80-19,865,297.70-11,448,442.20

Finding the Fourth Proportional to 13,243,531.80, 19,865,297.70 and 11,448,442.20

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Solution

The fourth proportional to 13,243,531.80, 19,865,297.70 and 11,448,442.20 is: 17,172,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243,531.80 : 19,865,297.70 = 11,448,442.20 : x
  2. Step 2: Convert to fraction form
    13,243,531.80/19,865,297.70 = 11,448,442.20/x
  3. Step 3: Cross multiply
    13,243,531.80x = 19,865,297.70 × 11,448,442.20
  4. Step 4: Simplify right side
    13,243,531.80x = 227,426,712,504,242.91
  5. Step 5: Solve for x
    x = 227,426,712,504,242.91/13,243,531.80
  6. Step 6: Final answer
    x = 17,172,663.30

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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.