Home / 14,205,636.80-21,310,010.40-13,757,739.20

Finding the Fourth Proportional to 14,205,636.80, 21,310,010.40 and 13,757,739.20

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Solution

The fourth proportional to 14,205,636.80, 21,310,010.40 and 13,757,739.20 is: 20,638,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205,636.80 : 21,310,010.40 = 13,757,739.20 : x
  2. Step 2: Convert to fraction form
    14,205,636.80/21,310,010.40 = 13,757,739.20/x
  3. Step 3: Cross multiply
    14,205,636.80x = 21,310,010.40 × 13,757,739.20
  4. Step 4: Simplify right side
    14,205,636.80x = 293,177,565,432,487.62
  5. Step 5: Solve for x
    x = 293,177,565,432,487.62/14,205,636.80
  6. Step 6: Final answer
    x = 20,638,114.97

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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.