Home / 28,915,536.06-43,373,615.13-8,720,953.02

Finding the Fourth Proportional to 28,915,536.06, 43,373,615.13 and 8,720,953.02

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Solution

The fourth proportional to 28,915,536.06, 43,373,615.13 and 8,720,953.02 is: 13,081,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,536.06 : 43,373,615.13 = 8,720,953.02 : x
  2. Step 2: Convert to fraction form
    28,915,536.06/43,373,615.13 = 8,720,953.02/x
  3. Step 3: Cross multiply
    28,915,536.06x = 43,373,615.13 × 8,720,953.02
  4. Step 4: Simplify right side
    28,915,536.06x = 378,259,259,856,291.19
  5. Step 5: Solve for x
    x = 378,259,259,856,291.19/28,915,536.06
  6. Step 6: Final answer
    x = 13,081,523.34

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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.