Home / 21,046,628.52-31,570,820.82-6,669,378.12

Finding the Fourth Proportional to 21,046,628.52, 31,570,820.82 and 6,669,378.12

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Solution

The fourth proportional to 21,046,628.52, 31,570,820.82 and 6,669,378.12 is: 10,004,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,628.52 : 31,570,820.82 = 6,669,378.12 : x
  2. Step 2: Convert to fraction form
    21,046,628.52/31,570,820.82 = 6,669,378.12/x
  3. Step 3: Cross multiply
    21,046,628.52x = 31,570,820.82 × 6,669,378.12
  4. Step 4: Simplify right side
    21,046,628.52x = 210,557,741,607,348.47
  5. Step 5: Solve for x
    x = 210,557,741,607,348.47/21,046,628.52
  6. Step 6: Final answer
    x = 10,004,345.42

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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.