Home / 6,778,328.66-10,169,213.53-3,137,682.81

Finding the Fourth Proportional to 6,778,328.66, 10,169,213.53 and 3,137,682.81

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Solution

The fourth proportional to 6,778,328.66, 10,169,213.53 and 3,137,682.81 is: 4,707,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,328.66 : 10,169,213.53 = 3,137,682.81 : x
  2. Step 2: Convert to fraction form
    6,778,328.66/10,169,213.53 = 3,137,682.81/x
  3. Step 3: Cross multiply
    6,778,328.66x = 10,169,213.53 × 3,137,682.81
  4. Step 4: Simplify right side
    6,778,328.66x = 31,907,766,484,300.42
  5. Step 5: Solve for x
    x = 31,907,766,484,300.42/6,778,328.66
  6. Step 6: Final answer
    x = 4,707,320.65

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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.