Home / 13,079,214.48-18,039,090.92-8,497,012.24

Finding the Fourth Proportional to 13,079,214.48, 18,039,090.92 and 8,497,012.24

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Solution

The fourth proportional to 13,079,214.48, 18,039,090.92 and 8,497,012.24 is: 11,719,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,214.48 : 18,039,090.92 = 8,497,012.24 : x
  2. Step 2: Convert to fraction form
    13,079,214.48/18,039,090.92 = 8,497,012.24/x
  3. Step 3: Cross multiply
    13,079,214.48x = 18,039,090.92 × 8,497,012.24
  4. Step 4: Simplify right side
    13,079,214.48x = 153,278,376,345,712.88
  5. Step 5: Solve for x
    x = 153,278,376,345,712.88/13,079,214.48
  6. Step 6: Final answer
    x = 11,719,234.10

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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.