Home / 18,842,900.09-28,240,274.24-15,201,347.25

Finding the Fourth Proportional to 18,842,900.09, 28,240,274.24 and 15,201,347.25

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Solution

The fourth proportional to 18,842,900.09, 28,240,274.24 and 15,201,347.25 is: 22,782,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842,900.09 : 28,240,274.24 = 15,201,347.25 : x
  2. Step 2: Convert to fraction form
    18,842,900.09/28,240,274.24 = 15,201,347.25/x
  3. Step 3: Cross multiply
    18,842,900.09x = 28,240,274.24 × 15,201,347.25
  4. Step 4: Simplify right side
    18,842,900.09x = 429,290,215,256,593.25
  5. Step 5: Solve for x
    x = 429,290,215,256,593.25/18,842,900.09
  6. Step 6: Final answer
    x = 22,782,597.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.