Home / 21,056,951.40-31,609,046.70-16,285,792.20

Finding the Fourth Proportional to 21,056,951.40, 31,609,046.70 and 16,285,792.20

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Solution

The fourth proportional to 21,056,951.40, 31,609,046.70 and 16,285,792.20 is: 24,446,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,951.40 : 31,609,046.70 = 16,285,792.20 : x
  2. Step 2: Convert to fraction form
    21,056,951.40/31,609,046.70 = 16,285,792.20/x
  3. Step 3: Cross multiply
    21,056,951.40x = 31,609,046.70 × 16,285,792.20
  4. Step 4: Simplify right side
    21,056,951.40x = 514,778,366,196,295.69
  5. Step 5: Solve for x
    x = 514,778,366,196,295.69/21,056,951.40
  6. Step 6: Final answer
    x = 24,446,956.09

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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.