Home / 38,701,752.05-53,396,393.93-21,953,731.33

Finding the Fourth Proportional to 38,701,752.05, 53,396,393.93 and 21,953,731.33

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Solution

The fourth proportional to 38,701,752.05, 53,396,393.93 and 21,953,731.33 is: 30,289,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,752.05 : 53,396,393.93 = 21,953,731.33 : x
  2. Step 2: Convert to fraction form
    38,701,752.05/53,396,393.93 = 21,953,731.33/x
  3. Step 3: Cross multiply
    38,701,752.05x = 53,396,393.93 × 21,953,731.33
  4. Step 4: Simplify right side
    38,701,752.05x = 1,172,250,086,330,062.75
  5. Step 5: Solve for x
    x = 1,172,250,086,330,062.75/38,701,752.05
  6. Step 6: Final answer
    x = 30,289,328.63

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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.