Home / 14,646,322.12-20,213,121.90-8,121,997.96

Finding the Fourth Proportional to 14,646,322.12, 20,213,121.90 and 8,121,997.96

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Solution

The fourth proportional to 14,646,322.12, 20,213,121.90 and 8,121,997.96 is: 11,209,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646,322.12 : 20,213,121.90 = 8,121,997.96 : x
  2. Step 2: Convert to fraction form
    14,646,322.12/20,213,121.90 = 8,121,997.96/x
  3. Step 3: Cross multiply
    14,646,322.12x = 20,213,121.90 × 8,121,997.96
  4. Step 4: Simplify right side
    14,646,322.12x = 164,170,934,837,031.31
  5. Step 5: Solve for x
    x = 164,170,934,837,031.31/14,646,322.12
  6. Step 6: Final answer
    x = 11,209,021.18

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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.