Home / 11,018,724.60-16,528,086.90-7,979,669.40

Finding the Fourth Proportional to 11,018,724.60, 16,528,086.90 and 7,979,669.40

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Solution

The fourth proportional to 11,018,724.60, 16,528,086.90 and 7,979,669.40 is: 11,969,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,724.60 : 16,528,086.90 = 7,979,669.40 : x
  2. Step 2: Convert to fraction form
    11,018,724.60/16,528,086.90 = 7,979,669.40/x
  3. Step 3: Cross multiply
    11,018,724.60x = 16,528,086.90 × 7,979,669.40
  4. Step 4: Simplify right side
    11,018,724.60x = 131,888,669,276,470.88
  5. Step 5: Solve for x
    x = 131,888,669,276,470.88/11,018,724.60
  6. Step 6: Final answer
    x = 11,969,504.10

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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.