Home / 21,188,133.44-31,782,031.68-14,031,690.56

Finding the Fourth Proportional to 21,188,133.44, 31,782,031.68 and 14,031,690.56

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Solution

The fourth proportional to 21,188,133.44, 31,782,031.68 and 14,031,690.56 is: 21,047,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,188,133.44 : 31,782,031.68 = 14,031,690.56 : x
  2. Step 2: Convert to fraction form
    21,188,133.44/31,782,031.68 = 14,031,690.56/x
  3. Step 3: Cross multiply
    21,188,133.44x = 31,782,031.68 × 14,031,690.56
  4. Step 4: Simplify right side
    21,188,133.44x = 445,955,633,901,876.94
  5. Step 5: Solve for x
    x = 445,955,633,901,876.94/21,188,133.44
  6. Step 6: Final answer
    x = 21,047,424.27

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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.