Home / 6,768,811.92-10,156,317.96-2,931,807.90

Finding the Fourth Proportional to 6,768,811.92, 10,156,317.96 and 2,931,807.90

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Solution

The fourth proportional to 6,768,811.92, 10,156,317.96 and 2,931,807.90 is: 4,399,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768,811.92 : 10,156,317.96 = 2,931,807.90 : x
  2. Step 2: Convert to fraction form
    6,768,811.92/10,156,317.96 = 2,931,807.90/x
  3. Step 3: Cross multiply
    6,768,811.92x = 10,156,317.96 × 2,931,807.90
  4. Step 4: Simplify right side
    6,768,811.92x = 29,776,373,230,039.89
  5. Step 5: Solve for x
    x = 29,776,373,230,039.89/6,768,811.92
  6. Step 6: Final answer
    x = 4,399,054.60

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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.