Home / 20,740,288.48-28,635,080.04-18,561,085.16

Finding the Fourth Proportional to 20,740,288.48, 28,635,080.04 and 18,561,085.16

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Solution

The fourth proportional to 20,740,288.48, 28,635,080.04 and 18,561,085.16 is: 25,626,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,288.48 : 28,635,080.04 = 18,561,085.16 : x
  2. Step 2: Convert to fraction form
    20,740,288.48/28,635,080.04 = 18,561,085.16/x
  3. Step 3: Cross multiply
    20,740,288.48x = 28,635,080.04 × 18,561,085.16
  4. Step 4: Simplify right side
    20,740,288.48x = 531,498,159,185,856.19
  5. Step 5: Solve for x
    x = 531,498,159,185,856.19/20,740,288.48
  6. Step 6: Final answer
    x = 25,626,362.90

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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.