Home / 39,253,966.68-54,172,259.82-21,851,415.48

Finding the Fourth Proportional to 39,253,966.68, 54,172,259.82 and 21,851,415.48

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Solution

The fourth proportional to 39,253,966.68, 54,172,259.82 and 21,851,415.48 is: 30,155,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253,966.68 : 54,172,259.82 = 21,851,415.48 : x
  2. Step 2: Convert to fraction form
    39,253,966.68/54,172,259.82 = 21,851,415.48/x
  3. Step 3: Cross multiply
    39,253,966.68x = 54,172,259.82 × 21,851,415.48
  4. Step 4: Simplify right side
    39,253,966.68x = 1,183,740,556,817,330
  5. Step 5: Solve for x
    x = 1,183,740,556,817,330/39,253,966.68
  6. Step 6: Final answer
    x = 30,155,947.46

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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.