Home / 7,790,690.06-11,739,212.26-6,401,857.58

Finding the Fourth Proportional to 7,790,690.06, 11,739,212.26 and 6,401,857.58

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Solution

The fourth proportional to 7,790,690.06, 11,739,212.26 and 6,401,857.58 is: 9,646,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,690.06 : 11,739,212.26 = 6,401,857.58 : x
  2. Step 2: Convert to fraction form
    7,790,690.06/11,739,212.26 = 6,401,857.58/x
  3. Step 3: Cross multiply
    7,790,690.06x = 11,739,212.26 × 6,401,857.58
  4. Step 4: Simplify right side
    7,790,690.06x = 75,152,764,989,909.94
  5. Step 5: Solve for x
    x = 75,152,764,989,909.94/7,790,690.06
  6. Step 6: Final answer
    x = 9,646,483.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.