Home / 22,232,961.40-30,682,445.64-12,309,844

Finding the Fourth Proportional to 22,232,961.40, 30,682,445.64 and 12,309,844

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Solution

The fourth proportional to 22,232,961.40, 30,682,445.64 and 12,309,844 is: 16,988,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232,961.40 : 30,682,445.64 = 12,309,844 : x
  2. Step 2: Convert to fraction form
    22,232,961.40/30,682,445.64 = 12,309,844/x
  3. Step 3: Cross multiply
    22,232,961.40x = 30,682,445.64 × 12,309,844
  4. Step 4: Simplify right side
    22,232,961.40x = 377,696,119,366,880.19
  5. Step 5: Solve for x
    x = 377,696,119,366,880.19/22,232,961.40
  6. Step 6: Final answer
    x = 16,988,115.64

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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.