Home / 8,857,181.96-12,222,953.96-4,989,764.08

Finding the Fourth Proportional to 8,857,181.96, 12,222,953.96 and 4,989,764.08

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Solution

The fourth proportional to 8,857,181.96, 12,222,953.96 and 4,989,764.08 is: 6,885,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,181.96 : 12,222,953.96 = 4,989,764.08 : x
  2. Step 2: Convert to fraction form
    8,857,181.96/12,222,953.96 = 4,989,764.08/x
  3. Step 3: Cross multiply
    8,857,181.96x = 12,222,953.96 × 4,989,764.08
  4. Step 4: Simplify right side
    8,857,181.96x = 60,989,656,621,101.77
  5. Step 5: Solve for x
    x = 60,989,656,621,101.77/8,857,181.96
  6. Step 6: Final answer
    x = 6,885,898.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.