Home / 21,057,029.90-31,609,164.45-16,285,870.70

Finding the Fourth Proportional to 21,057,029.90, 31,609,164.45 and 16,285,870.70

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Solution

The fourth proportional to 21,057,029.90, 31,609,164.45 and 16,285,870.70 is: 24,447,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,029.90 : 31,609,164.45 = 16,285,870.70 : x
  2. Step 2: Convert to fraction form
    21,057,029.90/31,609,164.45 = 16,285,870.70/x
  3. Step 3: Cross multiply
    21,057,029.90x = 31,609,164.45 × 16,285,870.70
  4. Step 4: Simplify right side
    21,057,029.90x = 514,782,765,167,736.56
  5. Step 5: Solve for x
    x = 514,782,765,167,736.56/21,057,029.90
  6. Step 6: Final answer
    x = 24,447,073.86

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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.