Home / 19,730,279.04-29,521,000.80-11,647,651.20

Finding the Fourth Proportional to 19,730,279.04, 29,521,000.80 and 11,647,651.20

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Solution

The fourth proportional to 19,730,279.04, 29,521,000.80 and 11,647,651.20 is: 17,427,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730,279.04 : 29,521,000.80 = 11,647,651.20 : x
  2. Step 2: Convert to fraction form
    19,730,279.04/29,521,000.80 = 11,647,651.20/x
  3. Step 3: Cross multiply
    19,730,279.04x = 29,521,000.80 × 11,647,651.20
  4. Step 4: Simplify right side
    19,730,279.04x = 343,850,320,393,320.94
  5. Step 5: Solve for x
    x = 343,850,320,393,320.94/19,730,279.04
  6. Step 6: Final answer
    x = 17,427,544.72

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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.