Home / 9,986,618.62-13,795,642.47-7,946,818.30

Finding the Fourth Proportional to 9,986,618.62, 13,795,642.47 and 7,946,818.30

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Solution

The fourth proportional to 9,986,618.62, 13,795,642.47 and 7,946,818.30 is: 10,977,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,618.62 : 13,795,642.47 = 7,946,818.30 : x
  2. Step 2: Convert to fraction form
    9,986,618.62/13,795,642.47 = 7,946,818.30/x
  3. Step 3: Cross multiply
    9,986,618.62x = 13,795,642.47 × 7,946,818.30
  4. Step 4: Simplify right side
    9,986,618.62x = 109,631,464,040,853.20
  5. Step 5: Solve for x
    x = 109,631,464,040,853.20/9,986,618.62
  6. Step 6: Final answer
    x = 10,977,836.26

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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.