Home / 21,196,935.36-31,796,212.68-6,625,196.28

Finding the Fourth Proportional to 21,196,935.36, 31,796,212.68 and 6,625,196.28

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Solution

The fourth proportional to 21,196,935.36, 31,796,212.68 and 6,625,196.28 is: 9,938,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196,935.36 : 31,796,212.68 = 6,625,196.28 : x
  2. Step 2: Convert to fraction form
    21,196,935.36/31,796,212.68 = 6,625,196.28/x
  3. Step 3: Cross multiply
    21,196,935.36x = 31,796,212.68 × 6,625,196.28
  4. Step 4: Simplify right side
    21,196,935.36x = 210,656,149,965,624.84
  5. Step 5: Solve for x
    x = 210,656,149,965,624.84/21,196,935.36
  6. Step 6: Final answer
    x = 9,938,047.48

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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.