Home / 30,890,617.80-46,327,632.30-12,936,006.60

Finding the Fourth Proportional to 30,890,617.80, 46,327,632.30 and 12,936,006.60

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Solution

The fourth proportional to 30,890,617.80, 46,327,632.30 and 12,936,006.60 is: 19,400,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890,617.80 : 46,327,632.30 = 12,936,006.60 : x
  2. Step 2: Convert to fraction form
    30,890,617.80/46,327,632.30 = 12,936,006.60/x
  3. Step 3: Cross multiply
    30,890,617.80x = 46,327,632.30 × 12,936,006.60
  4. Step 4: Simplify right side
    30,890,617.80x = 599,294,557,195,173.12
  5. Step 5: Solve for x
    x = 599,294,557,195,173.12/30,890,617.80
  6. Step 6: Final answer
    x = 19,400,536.47

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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.