Home / 21,485,102.63-29,649,444.83-11,695,621.13

Finding the Fourth Proportional to 21,485,102.63, 29,649,444.83 and 11,695,621.13

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Solution

The fourth proportional to 21,485,102.63, 29,649,444.83 and 11,695,621.13 is: 16,139,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,102.63 : 29,649,444.83 = 11,695,621.13 : x
  2. Step 2: Convert to fraction form
    21,485,102.63/29,649,444.83 = 11,695,621.13/x
  3. Step 3: Cross multiply
    21,485,102.63x = 29,649,444.83 × 11,695,621.13
  4. Step 4: Simplify right side
    21,485,102.63x = 346,768,673,561,614.06
  5. Step 5: Solve for x
    x = 346,768,673,561,614.06/21,485,102.63
  6. Step 6: Final answer
    x = 16,139,958.91

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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.