Home / 10,728,023.40-16,092,035.10-2,640,934.80

Finding the Fourth Proportional to 10,728,023.40, 16,092,035.10 and 2,640,934.80

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Solution

The fourth proportional to 10,728,023.40, 16,092,035.10 and 2,640,934.80 is: 3,961,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,023.40 : 16,092,035.10 = 2,640,934.80 : x
  2. Step 2: Convert to fraction form
    10,728,023.40/16,092,035.10 = 2,640,934.80/x
  3. Step 3: Cross multiply
    10,728,023.40x = 16,092,035.10 × 2,640,934.80
  4. Step 4: Simplify right side
    10,728,023.40x = 42,498,015,498,411.48
  5. Step 5: Solve for x
    x = 42,498,015,498,411.48/10,728,023.40
  6. Step 6: Final answer
    x = 3,961,402.20

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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.