Home / 11,412,971.86-15,748,219.18-6,940,245.22

Finding the Fourth Proportional to 11,412,971.86, 15,748,219.18 and 6,940,245.22

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Solution

The fourth proportional to 11,412,971.86, 15,748,219.18 and 6,940,245.22 is: 9,576,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412,971.86 : 15,748,219.18 = 6,940,245.22 : x
  2. Step 2: Convert to fraction form
    11,412,971.86/15,748,219.18 = 6,940,245.22/x
  3. Step 3: Cross multiply
    11,412,971.86x = 15,748,219.18 × 6,940,245.22
  4. Step 4: Simplify right side
    11,412,971.86x = 109,296,502,887,507.31
  5. Step 5: Solve for x
    x = 109,296,502,887,507.31/11,412,971.86
  6. Step 6: Final answer
    x = 9,576,515.58

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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.