Home / 12,936,774.80-19,406,083.80-3,961,312.40

Finding the Fourth Proportional to 12,936,774.80, 19,406,083.80 and 3,961,312.40

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Solution

The fourth proportional to 12,936,774.80, 19,406,083.80 and 3,961,312.40 is: 5,942,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,774.80 : 19,406,083.80 = 3,961,312.40 : x
  2. Step 2: Convert to fraction form
    12,936,774.80/19,406,083.80 = 3,961,312.40/x
  3. Step 3: Cross multiply
    12,936,774.80x = 19,406,083.80 × 3,961,312.40
  4. Step 4: Simplify right side
    12,936,774.80x = 76,873,560,392,379.12
  5. Step 5: Solve for x
    x = 76,873,560,392,379.12/12,936,774.80
  6. Step 6: Final answer
    x = 5,942,250.80

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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.