Home / 38,891,811.33-53,671,782.33-21,489,278.04

Finding the Fourth Proportional to 38,891,811.33, 53,671,782.33 and 21,489,278.04

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Solution

The fourth proportional to 38,891,811.33, 53,671,782.33 and 21,489,278.04 is: 29,655,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891,811.33 : 53,671,782.33 = 21,489,278.04 : x
  2. Step 2: Convert to fraction form
    38,891,811.33/53,671,782.33 = 21,489,278.04/x
  3. Step 3: Cross multiply
    38,891,811.33x = 53,671,782.33 × 21,489,278.04
  4. Step 4: Simplify right side
    38,891,811.33x = 1,153,367,853,391,729
  5. Step 5: Solve for x
    x = 1,153,367,853,391,729/38,891,811.33
  6. Step 6: Final answer
    x = 29,655,801.93

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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.