Home / 21,743,419.40-32,640,012.30-12,773,025.80

Finding the Fourth Proportional to 21,743,419.40, 32,640,012.30 and 12,773,025.80

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Solution

The fourth proportional to 21,743,419.40, 32,640,012.30 and 12,773,025.80 is: 19,174,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,419.40 : 32,640,012.30 = 12,773,025.80 : x
  2. Step 2: Convert to fraction form
    21,743,419.40/32,640,012.30 = 12,773,025.80/x
  3. Step 3: Cross multiply
    21,743,419.40x = 32,640,012.30 × 12,773,025.80
  4. Step 4: Simplify right side
    21,743,419.40x = 416,911,719,220,217.38
  5. Step 5: Solve for x
    x = 416,911,719,220,217.38/21,743,419.40
  6. Step 6: Final answer
    x = 19,174,156.17

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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.