Home / 21,197,963.40-31,796,945.10-6,049,926.60

Finding the Fourth Proportional to 21,197,963.40, 31,796,945.10 and 6,049,926.60

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Solution

The fourth proportional to 21,197,963.40, 31,796,945.10 and 6,049,926.60 is: 9,074,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,963.40 : 31,796,945.10 = 6,049,926.60 : x
  2. Step 2: Convert to fraction form
    21,197,963.40/31,796,945.10 = 6,049,926.60/x
  3. Step 3: Cross multiply
    21,197,963.40x = 31,796,945.10 × 6,049,926.60
  4. Step 4: Simplify right side
    21,197,963.40x = 192,369,183,959,229.66
  5. Step 5: Solve for x
    x = 192,369,183,959,229.66/21,197,963.40
  6. Step 6: Final answer
    x = 9,074,889.90

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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.