Home / 14,178,616.80-21,283,671.60-7,801,324.80

Finding the Fourth Proportional to 14,178,616.80, 21,283,671.60 and 7,801,324.80

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Solution

The fourth proportional to 14,178,616.80, 21,283,671.60 and 7,801,324.80 is: 11,710,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,616.80 : 21,283,671.60 = 7,801,324.80 : x
  2. Step 2: Convert to fraction form
    14,178,616.80/21,283,671.60 = 7,801,324.80/x
  3. Step 3: Cross multiply
    14,178,616.80x = 21,283,671.60 × 7,801,324.80
  4. Step 4: Simplify right side
    14,178,616.80x = 166,040,835,088,135.69
  5. Step 5: Solve for x
    x = 166,040,835,088,135.69/14,178,616.80
  6. Step 6: Final answer
    x = 11,710,651.15

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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.