Home / 12,088,750.60-18,133,125.90-11,379,579.40

Finding the Fourth Proportional to 12,088,750.60, 18,133,125.90 and 11,379,579.40

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Solution

The fourth proportional to 12,088,750.60, 18,133,125.90 and 11,379,579.40 is: 17,069,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,750.60 : 18,133,125.90 = 11,379,579.40 : x
  2. Step 2: Convert to fraction form
    12,088,750.60/18,133,125.90 = 11,379,579.40/x
  3. Step 3: Cross multiply
    12,088,750.60x = 18,133,125.90 × 11,379,579.40
  4. Step 4: Simplify right side
    12,088,750.60x = 206,347,345,949,246.44
  5. Step 5: Solve for x
    x = 206,347,345,949,246.44/12,088,750.60
  6. Step 6: Final answer
    x = 17,069,369.10

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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.