Home / 14,906,153.12-20,569,891.83-8,379,643.46

Finding the Fourth Proportional to 14,906,153.12, 20,569,891.83 and 8,379,643.46

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Solution

The fourth proportional to 14,906,153.12, 20,569,891.83 and 8,379,643.46 is: 11,563,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,153.12 : 20,569,891.83 = 8,379,643.46 : x
  2. Step 2: Convert to fraction form
    14,906,153.12/20,569,891.83 = 8,379,643.46/x
  3. Step 3: Cross multiply
    14,906,153.12x = 20,569,891.83 × 8,379,643.46
  4. Step 4: Simplify right side
    14,906,153.12x = 172,368,359,546,166.91
  5. Step 5: Solve for x
    x = 172,368,359,546,166.91/14,906,153.12
  6. Step 6: Final answer
    x = 11,563,570.97

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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.