Home / 13,567,589.46-18,714,874.38-8,921,908.14

Finding the Fourth Proportional to 13,567,589.46, 18,714,874.38 and 8,921,908.14

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Solution

The fourth proportional to 13,567,589.46, 18,714,874.38 and 8,921,908.14 is: 12,306,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,589.46 : 18,714,874.38 = 8,921,908.14 : x
  2. Step 2: Convert to fraction form
    13,567,589.46/18,714,874.38 = 8,921,908.14/x
  3. Step 3: Cross multiply
    13,567,589.46x = 18,714,874.38 × 8,921,908.14
  4. Step 4: Simplify right side
    13,567,589.46x = 166,972,390,069,999.47
  5. Step 5: Solve for x
    x = 166,972,390,069,999.47/13,567,589.46
  6. Step 6: Final answer
    x = 12,306,710.09

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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.