Home / 19,009,843.20-28,514,764.80-17,890,099.20

Finding the Fourth Proportional to 19,009,843.20, 28,514,764.80 and 17,890,099.20

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Solution

The fourth proportional to 19,009,843.20, 28,514,764.80 and 17,890,099.20 is: 26,835,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,843.20 : 28,514,764.80 = 17,890,099.20 : x
  2. Step 2: Convert to fraction form
    19,009,843.20/28,514,764.80 = 17,890,099.20/x
  3. Step 3: Cross multiply
    19,009,843.20x = 28,514,764.80 × 17,890,099.20
  4. Step 4: Simplify right side
    19,009,843.20x = 510,131,970,936,668.12
  5. Step 5: Solve for x
    x = 510,131,970,936,668.12/19,009,843.20
  6. Step 6: Final answer
    x = 26,835,148.80

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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.