Home / 38,643,432.66-53,328,053.43-21,241,561.14

Finding the Fourth Proportional to 38,643,432.66, 53,328,053.43 and 21,241,561.14

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Solution

The fourth proportional to 38,643,432.66, 53,328,053.43 and 21,241,561.14 is: 29,313,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643,432.66 : 53,328,053.43 = 21,241,561.14 : x
  2. Step 2: Convert to fraction form
    38,643,432.66/53,328,053.43 = 21,241,561.14/x
  3. Step 3: Cross multiply
    38,643,432.66x = 53,328,053.43 × 21,241,561.14
  4. Step 4: Simplify right side
    38,643,432.66x = 1,132,771,107,410,531.75
  5. Step 5: Solve for x
    x = 1,132,771,107,410,531.75/38,643,432.66
  6. Step 6: Final answer
    x = 29,313,418.33

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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.