Home / 11,005,991.90-16,508,987.85-7,179,616.70

Finding the Fourth Proportional to 11,005,991.90, 16,508,987.85 and 7,179,616.70

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Solution

The fourth proportional to 11,005,991.90, 16,508,987.85 and 7,179,616.70 is: 10,769,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,991.90 : 16,508,987.85 = 7,179,616.70 : x
  2. Step 2: Convert to fraction form
    11,005,991.90/16,508,987.85 = 7,179,616.70/x
  3. Step 3: Cross multiply
    11,005,991.90x = 16,508,987.85 × 7,179,616.70
  4. Step 4: Simplify right side
    11,005,991.90x = 118,528,204,867,957.09
  5. Step 5: Solve for x
    x = 118,528,204,867,957.09/11,005,991.90
  6. Step 6: Final answer
    x = 10,769,425.05

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1.5x scale

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.