Home / 9,760,740.80-13,470,318.72-5,629,235.84

Finding the Fourth Proportional to 9,760,740.80, 13,470,318.72 and 5,629,235.84

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Solution

The fourth proportional to 9,760,740.80, 13,470,318.72 and 5,629,235.84 is: 7,768,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760,740.80 : 13,470,318.72 = 5,629,235.84 : x
  2. Step 2: Convert to fraction form
    9,760,740.80/13,470,318.72 = 5,629,235.84/x
  3. Step 3: Cross multiply
    9,760,740.80x = 13,470,318.72 × 5,629,235.84
  4. Step 4: Simplify right side
    9,760,740.80x = 75,827,600,914,846.92
  5. Step 5: Solve for x
    x = 75,827,600,914,846.92/9,760,740.80
  6. Step 6: Final answer
    x = 7,768,631.75

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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.