Home / 9,720,716.40-13,414,701.20-5,369,712.56

Finding the Fourth Proportional to 9,720,716.40, 13,414,701.20 and 5,369,712.56

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Solution

The fourth proportional to 9,720,716.40, 13,414,701.20 and 5,369,712.56 is: 7,410,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,716.40 : 13,414,701.20 = 5,369,712.56 : x
  2. Step 2: Convert to fraction form
    9,720,716.40/13,414,701.20 = 5,369,712.56/x
  3. Step 3: Cross multiply
    9,720,716.40x = 13,414,701.20 × 5,369,712.56
  4. Step 4: Simplify right side
    9,720,716.40x = 72,033,089,522,287.06
  5. Step 5: Solve for x
    x = 72,033,089,522,287.06/9,720,716.40
  6. Step 6: Final answer
    x = 7,410,265.52

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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.