Home / 12,073,442.02-16,659,837.76-8,161,709.31

Finding the Fourth Proportional to 12,073,442.02, 16,659,837.76 and 8,161,709.31

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Solution

The fourth proportional to 12,073,442.02, 16,659,837.76 and 8,161,709.31 is: 11,262,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,442.02 : 16,659,837.76 = 8,161,709.31 : x
  2. Step 2: Convert to fraction form
    12,073,442.02/16,659,837.76 = 8,161,709.31/x
  3. Step 3: Cross multiply
    12,073,442.02x = 16,659,837.76 × 8,161,709.31
  4. Step 4: Simplify right side
    12,073,442.02x = 135,972,752,865,582.34
  5. Step 5: Solve for x
    x = 135,972,752,865,582.34/12,073,442.02
  6. Step 6: Final answer
    x = 11,262,136.57

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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.