Home / 28,539,090.72-39,367,474.38-18,214,176.24

Finding the Fourth Proportional to 28,539,090.72, 39,367,474.38 and 18,214,176.24

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Solution

The fourth proportional to 28,539,090.72, 39,367,474.38 and 18,214,176.24 is: 25,125,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,090.72 : 39,367,474.38 = 18,214,176.24 : x
  2. Step 2: Convert to fraction form
    28,539,090.72/39,367,474.38 = 18,214,176.24/x
  3. Step 3: Cross multiply
    28,539,090.72x = 39,367,474.38 × 18,214,176.24
  4. Step 4: Simplify right side
    28,539,090.72x = 717,046,116,481,004.75
  5. Step 5: Solve for x
    x = 717,046,116,481,004.75/28,539,090.72
  6. Step 6: Final answer
    x = 25,125,051.23

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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.