Home / 25,424,701.20-38,137,051.80-18,221,014.80

Finding the Fourth Proportional to 25,424,701.20, 38,137,051.80 and 18,221,014.80

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Solution

The fourth proportional to 25,424,701.20, 38,137,051.80 and 18,221,014.80 is: 27,331,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424,701.20 : 38,137,051.80 = 18,221,014.80 : x
  2. Step 2: Convert to fraction form
    25,424,701.20/38,137,051.80 = 18,221,014.80/x
  3. Step 3: Cross multiply
    25,424,701.20x = 38,137,051.80 × 18,221,014.80
  4. Step 4: Simplify right side
    25,424,701.20x = 694,895,785,276,166.62
  5. Step 5: Solve for x
    x = 694,895,785,276,166.62/25,424,701.20
  6. Step 6: Final answer
    x = 27,331,522.20

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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.