Home / 14,985,338.06-20,679,766.27-8,109,820.12

Finding the Fourth Proportional to 14,985,338.06, 20,679,766.27 and 8,109,820.12

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Solution

The fourth proportional to 14,985,338.06, 20,679,766.27 and 8,109,820.12 is: 11,191,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,338.06 : 20,679,766.27 = 8,109,820.12 : x
  2. Step 2: Convert to fraction form
    14,985,338.06/20,679,766.27 = 8,109,820.12/x
  3. Step 3: Cross multiply
    14,985,338.06x = 20,679,766.27 × 8,109,820.12
  4. Step 4: Simplify right side
    14,985,338.06x = 167,709,184,429,395.44
  5. Step 5: Solve for x
    x = 167,709,184,429,395.44/14,985,338.06
  6. Step 6: Final answer
    x = 11,191,551.62

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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.