Home / 7,340,301.60-10,988,679.60-5,455,399.20

Finding the Fourth Proportional to 7,340,301.60, 10,988,679.60 and 5,455,399.20

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Solution

The fourth proportional to 7,340,301.60, 10,988,679.60 and 5,455,399.20 is: 8,166,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,301.60 : 10,988,679.60 = 5,455,399.20 : x
  2. Step 2: Convert to fraction form
    7,340,301.60/10,988,679.60 = 5,455,399.20/x
  3. Step 3: Cross multiply
    7,340,301.60x = 10,988,679.60 × 5,455,399.20
  4. Step 4: Simplify right side
    7,340,301.60x = 59,947,633,898,896.32
  5. Step 5: Solve for x
    x = 59,947,633,898,896.32/7,340,301.60
  6. Step 6: Final answer
    x = 8,166,917.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.