Home / 11,856,616.88-16,362,142.22-6,424,108.88

Finding the Fourth Proportional to 11,856,616.88, 16,362,142.22 and 6,424,108.88

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Solution

The fourth proportional to 11,856,616.88, 16,362,142.22 and 6,424,108.88 is: 8,865,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856,616.88 : 16,362,142.22 = 6,424,108.88 : x
  2. Step 2: Convert to fraction form
    11,856,616.88/16,362,142.22 = 6,424,108.88/x
  3. Step 3: Cross multiply
    11,856,616.88x = 16,362,142.22 × 6,424,108.88
  4. Step 4: Simplify right side
    11,856,616.88x = 105,112,183,065,574.47
  5. Step 5: Solve for x
    x = 105,112,183,065,574.47/11,856,616.88
  6. Step 6: Final answer
    x = 8,865,276.17

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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.