Home / 6,555,139.20-9,840,081.60-5,065,833.60

Finding the Fourth Proportional to 6,555,139.20, 9,840,081.60 and 5,065,833.60

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Solution

The fourth proportional to 6,555,139.20, 9,840,081.60 and 5,065,833.60 is: 7,604,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555,139.20 : 9,840,081.60 = 5,065,833.60 : x
  2. Step 2: Convert to fraction form
    6,555,139.20/9,840,081.60 = 5,065,833.60/x
  3. Step 3: Cross multiply
    6,555,139.20x = 9,840,081.60 × 5,065,833.60
  4. Step 4: Simplify right side
    6,555,139.20x = 49,848,215,996,021.76
  5. Step 5: Solve for x
    x = 49,848,215,996,021.76/6,555,139.20
  6. Step 6: Final answer
    x = 7,604,448.12

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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.