Home / 6,909,065.96-9,529,574.28-5,989,651.16

Finding the Fourth Proportional to 6,909,065.96, 9,529,574.28 and 5,989,651.16

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Solution

The fourth proportional to 6,909,065.96, 9,529,574.28 and 5,989,651.16 is: 8,261,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,065.96 : 9,529,574.28 = 5,989,651.16 : x
  2. Step 2: Convert to fraction form
    6,909,065.96/9,529,574.28 = 5,989,651.16/x
  3. Step 3: Cross multiply
    6,909,065.96x = 9,529,574.28 × 5,989,651.16
  4. Step 4: Simplify right side
    6,909,065.96x = 57,078,825,640,508.16
  5. Step 5: Solve for x
    x = 57,078,825,640,508.16/6,909,065.96
  6. Step 6: Final answer
    x = 8,261,438.81

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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.