Home / 21,782,836.80-32,624,488.80-12,824,884.80

Finding the Fourth Proportional to 21,782,836.80, 32,624,488.80 and 12,824,884.80

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Solution

The fourth proportional to 21,782,836.80, 32,624,488.80 and 12,824,884.80 is: 19,208,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,836.80 : 32,624,488.80 = 12,824,884.80 : x
  2. Step 2: Convert to fraction form
    21,782,836.80/32,624,488.80 = 12,824,884.80/x
  3. Step 3: Cross multiply
    21,782,836.80x = 32,624,488.80 × 12,824,884.80
  4. Step 4: Simplify right side
    21,782,836.80x = 418,405,310,518,890.25
  5. Step 5: Solve for x
    x = 418,405,310,518,890.25/21,782,836.80
  6. Step 6: Final answer
    x = 19,208,026.68

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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.