Home / 20,862,091.20-31,293,136.80-14,484,799.20

Finding the Fourth Proportional to 20,862,091.20, 31,293,136.80 and 14,484,799.20

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Solution

The fourth proportional to 20,862,091.20, 31,293,136.80 and 14,484,799.20 is: 21,727,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,091.20 : 31,293,136.80 = 14,484,799.20 : x
  2. Step 2: Convert to fraction form
    20,862,091.20/31,293,136.80 = 14,484,799.20/x
  3. Step 3: Cross multiply
    20,862,091.20x = 31,293,136.80 × 14,484,799.20
  4. Step 4: Simplify right side
    20,862,091.20x = 453,274,802,886,130.56
  5. Step 5: Solve for x
    x = 453,274,802,886,130.56/20,862,091.20
  6. Step 6: Final answer
    x = 21,727,198.80

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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.