Home / 12,866,862.98-19,300,915.17-4,230,772.22

Finding the Fourth Proportional to 12,866,862.98, 19,300,915.17 and 4,230,772.22

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Solution

The fourth proportional to 12,866,862.98, 19,300,915.17 and 4,230,772.22 is: 6,346,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,862.98 : 19,300,915.17 = 4,230,772.22 : x
  2. Step 2: Convert to fraction form
    12,866,862.98/19,300,915.17 = 4,230,772.22/x
  3. Step 3: Cross multiply
    12,866,862.98x = 19,300,915.17 × 4,230,772.22
  4. Step 4: Simplify right side
    12,866,862.98x = 81,657,775,770,064.88
  5. Step 5: Solve for x
    x = 81,657,775,770,064.88/12,866,862.98
  6. Step 6: Final answer
    x = 6,346,362.43

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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.