Home / 21,989,757.66-30,345,287.28-12,066,610.11

Finding the Fourth Proportional to 21,989,757.66, 30,345,287.28 and 12,066,610.11

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Solution

The fourth proportional to 21,989,757.66, 30,345,287.28 and 12,066,610.11 is: 16,651,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,757.66 : 30,345,287.28 = 12,066,610.11 : x
  2. Step 2: Convert to fraction form
    21,989,757.66/30,345,287.28 = 12,066,610.11/x
  3. Step 3: Cross multiply
    21,989,757.66x = 30,345,287.28 × 12,066,610.11
  4. Step 4: Simplify right side
    21,989,757.66x = 366,164,750,283,702.38
  5. Step 5: Solve for x
    x = 366,164,750,283,702.38/21,989,757.66
  6. Step 6: Final answer
    x = 16,651,604.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.