Home / 13,065,681.56-19,560,197.16-9,161,601.44

Finding the Fourth Proportional to 13,065,681.56, 19,560,197.16 and 9,161,601.44

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Solution

The fourth proportional to 13,065,681.56, 19,560,197.16 and 9,161,601.44 is: 13,715,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,681.56 : 19,560,197.16 = 9,161,601.44 : x
  2. Step 2: Convert to fraction form
    13,065,681.56/19,560,197.16 = 9,161,601.44/x
  3. Step 3: Cross multiply
    13,065,681.56x = 19,560,197.16 × 9,161,601.44
  4. Step 4: Simplify right side
    13,065,681.56x = 179,202,730,467,739.91
  5. Step 5: Solve for x
    x = 179,202,730,467,739.91/13,065,681.56
  6. Step 6: Final answer
    x = 13,715,528.70

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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.