Home / 37,299,782.72-51,472,918.86-20,779,884.56

Finding the Fourth Proportional to 37,299,782.72, 51,472,918.86 and 20,779,884.56

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Solution

The fourth proportional to 37,299,782.72, 51,472,918.86 and 20,779,884.56 is: 28,675,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299,782.72 : 51,472,918.86 = 20,779,884.56 : x
  2. Step 2: Convert to fraction form
    37,299,782.72/51,472,918.86 = 20,779,884.56/x
  3. Step 3: Cross multiply
    37,299,782.72x = 51,472,918.86 × 20,779,884.56
  4. Step 4: Simplify right side
    37,299,782.72x = 1,069,601,311,877,046.75
  5. Step 5: Solve for x
    x = 1,069,601,311,877,046.75/37,299,782.72
  6. Step 6: Final answer
    x = 28,675,805.43

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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.