Home / 14,767,776.48-20,380,554.54-8,242,678.92

Finding the Fourth Proportional to 14,767,776.48, 20,380,554.54 and 8,242,678.92

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Solution

The fourth proportional to 14,767,776.48, 20,380,554.54 and 8,242,678.92 is: 11,375,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767,776.48 : 20,380,554.54 = 8,242,678.92 : x
  2. Step 2: Convert to fraction form
    14,767,776.48/20,380,554.54 = 8,242,678.92/x
  3. Step 3: Cross multiply
    14,767,776.48x = 20,380,554.54 × 8,242,678.92
  4. Step 4: Simplify right side
    14,767,776.48x = 167,990,367,284,768.28
  5. Step 5: Solve for x
    x = 167,990,367,284,768.28/14,767,776.48
  6. Step 6: Final answer
    x = 11,375,467.90

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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.