Home / 30,929,519.08-46,396,300.38-8,209,809.64

Finding the Fourth Proportional to 30,929,519.08, 46,396,300.38 and 8,209,809.64

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Solution

The fourth proportional to 30,929,519.08, 46,396,300.38 and 8,209,809.64 is: 12,315,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,519.08 : 46,396,300.38 = 8,209,809.64 : x
  2. Step 2: Convert to fraction form
    30,929,519.08/46,396,300.38 = 8,209,809.64/x
  3. Step 3: Cross multiply
    30,929,519.08x = 46,396,300.38 × 8,209,809.64
  4. Step 4: Simplify right side
    30,929,519.08x = 380,904,794,120,059.69
  5. Step 5: Solve for x
    x = 380,904,794,120,059.69/30,929,519.08
  6. Step 6: Final answer
    x = 12,315,251.11

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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.