Home / 21,508,733.70-32,263,100.55-19,717,143.30

Finding the Fourth Proportional to 21,508,733.70, 32,263,100.55 and 19,717,143.30

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Solution

The fourth proportional to 21,508,733.70, 32,263,100.55 and 19,717,143.30 is: 29,575,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,733.70 : 32,263,100.55 = 19,717,143.30 : x
  2. Step 2: Convert to fraction form
    21,508,733.70/32,263,100.55 = 19,717,143.30/x
  3. Step 3: Cross multiply
    21,508,733.70x = 32,263,100.55 × 19,717,143.30
  4. Step 4: Simplify right side
    21,508,733.70x = 636,136,176,846,658.88
  5. Step 5: Solve for x
    x = 636,136,176,846,658.88/21,508,733.70
  6. Step 6: Final answer
    x = 29,575,714.95

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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.