Home / 30,781,646.20-46,172,469.30-8,064,839.80

Finding the Fourth Proportional to 30,781,646.20, 46,172,469.30 and 8,064,839.80

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Solution

The fourth proportional to 30,781,646.20, 46,172,469.30 and 8,064,839.80 is: 12,097,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,781,646.20 : 46,172,469.30 = 8,064,839.80 : x
  2. Step 2: Convert to fraction form
    30,781,646.20/46,172,469.30 = 8,064,839.80/x
  3. Step 3: Cross multiply
    30,781,646.20x = 46,172,469.30 × 8,064,839.80
  4. Step 4: Simplify right side
    30,781,646.20x = 372,373,568,074,918.12
  5. Step 5: Solve for x
    x = 372,373,568,074,918.12/30,781,646.20
  6. Step 6: Final answer
    x = 12,097,259.70

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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.