Home / 15,106,707.36-20,847,259.14-8,231,189.43

Finding the Fourth Proportional to 15,106,707.36, 20,847,259.14 and 8,231,189.43

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Solution

The fourth proportional to 15,106,707.36, 20,847,259.14 and 8,231,189.43 is: 11,359,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,707.36 : 20,847,259.14 = 8,231,189.43 : x
  2. Step 2: Convert to fraction form
    15,106,707.36/20,847,259.14 = 8,231,189.43/x
  3. Step 3: Cross multiply
    15,106,707.36x = 20,847,259.14 × 8,231,189.43
  4. Step 4: Simplify right side
    15,106,707.36x = 171,597,739,077,638.88
  5. Step 5: Solve for x
    x = 171,597,739,077,638.88/15,106,707.36
  6. Step 6: Final answer
    x = 11,359,043.04

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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.