Home / 21,046,631.90-31,570,825.88-6,669,381.38

Finding the Fourth Proportional to 21,046,631.90, 31,570,825.88 and 6,669,381.38

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Solution

The fourth proportional to 21,046,631.90, 31,570,825.88 and 6,669,381.38 is: 10,004,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,631.90 : 31,570,825.88 = 6,669,381.38 : x
  2. Step 2: Convert to fraction form
    21,046,631.90/31,570,825.88 = 6,669,381.38/x
  3. Step 3: Cross multiply
    21,046,631.90x = 31,570,825.88 × 6,669,381.38
  4. Step 4: Simplify right side
    21,046,631.90x = 210,557,878,134,113.44
  5. Step 5: Solve for x
    x = 210,557,878,134,113.44/21,046,631.90
  6. Step 6: Final answer
    x = 10,004,350.30

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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.