Home / 10,728,004.90-16,092,007.35-2,640,916.30

Finding the Fourth Proportional to 10,728,004.90, 16,092,007.35 and 2,640,916.30

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Solution

The fourth proportional to 10,728,004.90, 16,092,007.35 and 2,640,916.30 is: 3,961,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,004.90 : 16,092,007.35 = 2,640,916.30 : x
  2. Step 2: Convert to fraction form
    10,728,004.90/16,092,007.35 = 2,640,916.30/x
  3. Step 3: Cross multiply
    10,728,004.90x = 16,092,007.35 × 2,640,916.30
  4. Step 4: Simplify right side
    10,728,004.90x = 42,497,644,510,334.80
  5. Step 5: Solve for x
    x = 42,497,644,510,334.80/10,728,004.90
  6. Step 6: Final answer
    x = 3,961,374.45

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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.