Home / 10,328,937.69-15,494,273.87-3,140,533.86

Finding the Fourth Proportional to 10,328,937.69, 15,494,273.87 and 3,140,533.86

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Solution

The fourth proportional to 10,328,937.69, 15,494,273.87 and 3,140,533.86 is: 4,711,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,937.69 : 15,494,273.87 = 3,140,533.86 : x
  2. Step 2: Convert to fraction form
    10,328,937.69/15,494,273.87 = 3,140,533.86/x
  3. Step 3: Cross multiply
    10,328,937.69x = 15,494,273.87 × 3,140,533.86
  4. Step 4: Simplify right side
    10,328,937.69x = 48,660,291,729,656.09
  5. Step 5: Solve for x
    x = 48,660,291,729,656.09/10,328,937.69
  6. Step 6: Final answer
    x = 4,711,064.51

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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.