Home / 21,481,805.36-32,225,677.68-6,909,137.30

Finding the Fourth Proportional to 21,481,805.36, 32,225,677.68 and 6,909,137.30

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Solution

The fourth proportional to 21,481,805.36, 32,225,677.68 and 6,909,137.30 is: 10,364,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,805.36 : 32,225,677.68 = 6,909,137.30 : x
  2. Step 2: Convert to fraction form
    21,481,805.36/32,225,677.68 = 6,909,137.30/x
  3. Step 3: Cross multiply
    21,481,805.36x = 32,225,677.68 × 6,909,137.30
  4. Step 4: Simplify right side
    21,481,805.36x = 222,651,631,676,665.47
  5. Step 5: Solve for x
    x = 222,651,631,676,665.47/21,481,805.36
  6. Step 6: Final answer
    x = 10,364,661.07

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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.