Home / 16,120,956.66-22,246,921.59-8,778,787.59

Finding the Fourth Proportional to 16,120,956.66, 22,246,921.59 and 8,778,787.59

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Solution

The fourth proportional to 16,120,956.66, 22,246,921.59 and 8,778,787.59 is: 12,114,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,956.66 : 22,246,921.59 = 8,778,787.59 : x
  2. Step 2: Convert to fraction form
    16,120,956.66/22,246,921.59 = 8,778,787.59/x
  3. Step 3: Cross multiply
    16,120,956.66x = 22,246,921.59 × 8,778,787.59
  4. Step 4: Simplify right side
    16,120,956.66x = 195,300,999,269,881.28
  5. Step 5: Solve for x
    x = 195,300,999,269,881.28/16,120,956.66
  6. Step 6: Final answer
    x = 12,114,727.65

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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.