Home / 9,891,631.71-13,650,887.30-5,481,345.39

Finding the Fourth Proportional to 9,891,631.71, 13,650,887.30 and 5,481,345.39

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Solution

The fourth proportional to 9,891,631.71, 13,650,887.30 and 5,481,345.39 is: 7,564,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891,631.71 : 13,650,887.30 = 5,481,345.39 : x
  2. Step 2: Convert to fraction form
    9,891,631.71/13,650,887.30 = 5,481,345.39/x
  3. Step 3: Cross multiply
    9,891,631.71x = 13,650,887.30 × 5,481,345.39
  4. Step 4: Simplify right side
    9,891,631.71x = 74,825,228,143,857.81
  5. Step 5: Solve for x
    x = 74,825,228,143,857.81/9,891,631.71
  6. Step 6: Final answer
    x = 7,564,497.99

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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.