Home / 31,177,762.56-46,766,666.52-8,458,657.92

Finding the Fourth Proportional to 31,177,762.56, 46,766,666.52 and 8,458,657.92

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Solution

The fourth proportional to 31,177,762.56, 46,766,666.52 and 8,458,657.92 is: 12,687,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,762.56 : 46,766,666.52 = 8,458,657.92 : x
  2. Step 2: Convert to fraction form
    31,177,762.56/46,766,666.52 = 8,458,657.92/x
  3. Step 3: Cross multiply
    31,177,762.56x = 46,766,666.52 × 8,458,657.92
  4. Step 4: Simplify right side
    31,177,762.56x = 395,583,234,151,396.88
  5. Step 5: Solve for x
    x = 395,583,234,151,396.88/31,177,762.56
  6. Step 6: Final answer
    x = 12,687,993.03

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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.