Home / 19,810,342.80-29,715,514.20-7,032,139.20

Finding the Fourth Proportional to 19,810,342.80, 29,715,514.20 and 7,032,139.20

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Solution

The fourth proportional to 19,810,342.80, 29,715,514.20 and 7,032,139.20 is: 10,548,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810,342.80 : 29,715,514.20 = 7,032,139.20 : x
  2. Step 2: Convert to fraction form
    19,810,342.80/29,715,514.20 = 7,032,139.20/x
  3. Step 3: Cross multiply
    19,810,342.80x = 29,715,514.20 × 7,032,139.20
  4. Step 4: Simplify right side
    19,810,342.80x = 208,963,632,253,976.62
  5. Step 5: Solve for x
    x = 208,963,632,253,976.62/19,810,342.80
  6. Step 6: Final answer
    x = 10,548,208.80

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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.