Home / 9,795,784.11-13,517,837.30-5,385,477.65

Finding the Fourth Proportional to 9,795,784.11, 13,517,837.30 and 5,385,477.65

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Solution

The fourth proportional to 9,795,784.11, 13,517,837.30 and 5,385,477.65 is: 7,431,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795,784.11 : 13,517,837.30 = 5,385,477.65 : x
  2. Step 2: Convert to fraction form
    9,795,784.11/13,517,837.30 = 5,385,477.65/x
  3. Step 3: Cross multiply
    9,795,784.11x = 13,517,837.30 × 5,385,477.65
  4. Step 4: Simplify right side
    9,795,784.11x = 72,800,010,560,969.77
  5. Step 5: Solve for x
    x = 72,800,010,560,969.77/9,795,784.11
  6. Step 6: Final answer
    x = 7,431,769.60

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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.