Home / 47,846,482.20-71,786,312.10-20,939,448.60

Finding the Fourth Proportional to 47,846,482.20, 71,786,312.10 and 20,939,448.60

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Solution

The fourth proportional to 47,846,482.20, 71,786,312.10 and 20,939,448.60 is: 31,416,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846,482.20 : 71,786,312.10 = 20,939,448.60 : x
  2. Step 2: Convert to fraction form
    47,846,482.20/71,786,312.10 = 20,939,448.60/x
  3. Step 3: Cross multiply
    47,846,482.20x = 71,786,312.10 × 20,939,448.60
  4. Step 4: Simplify right side
    47,846,482.20x = 1,503,165,792,401,508
  5. Step 5: Solve for x
    x = 1,503,165,792,401,508/47,846,482.20
  6. Step 6: Final answer
    x = 31,416,432.79

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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.