Home / 38,568,397.03-53,225,922.45-21,165,365.05

Finding the Fourth Proportional to 38,568,397.03, 53,225,922.45 and 21,165,365.05

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Solution

The fourth proportional to 38,568,397.03, 53,225,922.45 and 21,165,365.05 is: 29,209,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568,397.03 : 53,225,922.45 = 21,165,365.05 : x
  2. Step 2: Convert to fraction form
    38,568,397.03/53,225,922.45 = 21,165,365.05/x
  3. Step 3: Cross multiply
    38,568,397.03x = 53,225,922.45 × 21,165,365.05
  4. Step 4: Simplify right side
    38,568,397.03x = 1,126,546,078,777,240.50
  5. Step 5: Solve for x
    x = 1,126,546,078,777,240.50/38,568,397.03
  6. Step 6: Final answer
    x = 29,209,045.89

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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.