Home / 14,722,278.66-20,317,415.09-8,196,322.60

Finding the Fourth Proportional to 14,722,278.66, 20,317,415.09 and 8,196,322.60

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Solution

The fourth proportional to 14,722,278.66, 20,317,415.09 and 8,196,322.60 is: 11,311,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722,278.66 : 20,317,415.09 = 8,196,322.60 : x
  2. Step 2: Convert to fraction form
    14,722,278.66/20,317,415.09 = 8,196,322.60/x
  3. Step 3: Cross multiply
    14,722,278.66x = 20,317,415.09 × 8,196,322.60
  4. Step 4: Simplify right side
    14,722,278.66x = 166,528,088,460,163.22
  5. Step 5: Solve for x
    x = 166,528,088,460,163.22/14,722,278.66
  6. Step 6: Final answer
    x = 11,311,298.50

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1.5x scale

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.