Home / 8,530,211.16-12,796,118.64-3,138,964.56

Finding the Fourth Proportional to 8,530,211.16, 12,796,118.64 and 3,138,964.56

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Solution

The fourth proportional to 8,530,211.16, 12,796,118.64 and 3,138,964.56 is: 4,708,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,211.16 : 12,796,118.64 = 3,138,964.56 : x
  2. Step 2: Convert to fraction form
    8,530,211.16/12,796,118.64 = 3,138,964.56/x
  3. Step 3: Cross multiply
    8,530,211.16x = 12,796,118.64 × 3,138,964.56
  4. Step 4: Simplify right side
    8,530,211.16x = 40,166,562,916,515.40
  5. Step 5: Solve for x
    x = 40,166,562,916,515.40/8,530,211.16
  6. Step 6: Final answer
    x = 4,708,741.92

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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.