Home / 8,660,838.78-11,950,909.02-4,990,958.01

Finding the Fourth Proportional to 8,660,838.78, 11,950,909.02 and 4,990,958.01

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Solution

The fourth proportional to 8,660,838.78, 11,950,909.02 and 4,990,958.01 is: 6,886,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,838.78 : 11,950,909.02 = 4,990,958.01 : x
  2. Step 2: Convert to fraction form
    8,660,838.78/11,950,909.02 = 4,990,958.01/x
  3. Step 3: Cross multiply
    8,660,838.78x = 11,950,909.02 × 4,990,958.01
  4. Step 4: Simplify right side
    8,660,838.78x = 59,646,485,100,150.24
  5. Step 5: Solve for x
    x = 59,646,485,100,150.24/8,660,838.78
  6. Step 6: Final answer
    x = 6,886,917.84

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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.