Home / 12,116,541.90-18,152,694.45-7,383,204.30

Finding the Fourth Proportional to 12,116,541.90, 18,152,694.45 and 7,383,204.30

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Solution

The fourth proportional to 12,116,541.90, 18,152,694.45 and 7,383,204.30 is: 11,061,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,541.90 : 18,152,694.45 = 7,383,204.30 : x
  2. Step 2: Convert to fraction form
    12,116,541.90/18,152,694.45 = 7,383,204.30/x
  3. Step 3: Cross multiply
    12,116,541.90x = 18,152,694.45 × 7,383,204.30
  4. Step 4: Simplify right side
    12,116,541.90x = 134,025,051,719,826.12
  5. Step 5: Solve for x
    x = 134,025,051,719,826.12/12,116,541.90
  6. Step 6: Final answer
    x = 11,061,328.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.