Home / 12,493,335.80-18,698,531.70-9,071,895.80

Finding the Fourth Proportional to 12,493,335.80, 18,698,531.70 and 9,071,895.80

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Solution

The fourth proportional to 12,493,335.80, 18,698,531.70 and 9,071,895.80 is: 13,577,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493,335.80 : 18,698,531.70 = 9,071,895.80 : x
  2. Step 2: Convert to fraction form
    12,493,335.80/18,698,531.70 = 9,071,895.80/x
  3. Step 3: Cross multiply
    12,493,335.80x = 18,698,531.70 × 9,071,895.80
  4. Step 4: Simplify right side
    12,493,335.80x = 169,631,131,195,396.88
  5. Step 5: Solve for x
    x = 169,631,131,195,396.88/12,493,335.80
  6. Step 6: Final answer
    x = 13,577,729.27

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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.