Home / 6,690,989.34-9,232,991.33-3,710,778.12

Finding the Fourth Proportional to 6,690,989.34, 9,232,991.33 and 3,710,778.12

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Solution

The fourth proportional to 6,690,989.34, 9,232,991.33 and 3,710,778.12 is: 5,120,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,989.34 : 9,232,991.33 = 3,710,778.12 : x
  2. Step 2: Convert to fraction form
    6,690,989.34/9,232,991.33 = 3,710,778.12/x
  3. Step 3: Cross multiply
    6,690,989.34x = 9,232,991.33 × 3,710,778.12
  4. Step 4: Simplify right side
    6,690,989.34x = 34,261,582,190,959.81
  5. Step 5: Solve for x
    x = 34,261,582,190,959.81/6,690,989.34
  6. Step 6: Final answer
    x = 5,120,555.49

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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.