Home / 13,555,261.08-20,348,638.01-8,169,992.28

Finding the Fourth Proportional to 13,555,261.08, 20,348,638.01 and 8,169,992.28

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Solution

The fourth proportional to 13,555,261.08, 20,348,638.01 and 8,169,992.28 is: 12,264,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,261.08 : 20,348,638.01 = 8,169,992.28 : x
  2. Step 2: Convert to fraction form
    13,555,261.08/20,348,638.01 = 8,169,992.28/x
  3. Step 3: Cross multiply
    13,555,261.08x = 20,348,638.01 × 8,169,992.28
  4. Step 4: Simplify right side
    13,555,261.08x = 166,248,215,368,896.34
  5. Step 5: Solve for x
    x = 166,248,215,368,896.34/13,555,261.08
  6. Step 6: Final answer
    x = 12,264,479.04

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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.