Home / 13,574,311.25-18,738,588.04-8,069,468.22

Finding the Fourth Proportional to 13,574,311.25, 18,738,588.04 and 8,069,468.22

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Solution

The fourth proportional to 13,574,311.25, 18,738,588.04 and 8,069,468.22 is: 11,139,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,311.25 : 18,738,588.04 = 8,069,468.22 : x
  2. Step 2: Convert to fraction form
    13,574,311.25/18,738,588.04 = 8,069,468.22/x
  3. Step 3: Cross multiply
    13,574,311.25x = 18,738,588.04 × 8,069,468.22
  4. Step 4: Simplify right side
    13,574,311.25x = 151,210,440,656,278.44
  5. Step 5: Solve for x
    x = 151,210,440,656,278.44/13,574,311.25
  6. Step 6: Final answer
    x = 11,139,455.84

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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.