Home / 21,046,632.90-31,570,827.38-6,669,382.38

Finding the Fourth Proportional to 21,046,632.90, 31,570,827.38 and 6,669,382.38

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Solution

The fourth proportional to 21,046,632.90, 31,570,827.38 and 6,669,382.38 is: 10,004,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,632.90 : 31,570,827.38 = 6,669,382.38 : x
  2. Step 2: Convert to fraction form
    21,046,632.90/31,570,827.38 = 6,669,382.38/x
  3. Step 3: Cross multiply
    21,046,632.90x = 31,570,827.38 × 6,669,382.38
  4. Step 4: Simplify right side
    21,046,632.90x = 210,557,919,850,193.56
  5. Step 5: Solve for x
    x = 210,557,919,850,193.56/21,046,632.90
  6. Step 6: Final answer
    x = 10,004,351.81

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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.