Home / 38,986,347-53,799,027.42-21,341,836.23

Finding the Fourth Proportional to 38,986,347, 53,799,027.42 and 21,341,836.23

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Solution

The fourth proportional to 38,986,347, 53,799,027.42 and 21,341,836.23 is: 29,450,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,347 : 53,799,027.42 = 21,341,836.23 : x
  2. Step 2: Convert to fraction form
    38,986,347/53,799,027.42 = 21,341,836.23/x
  3. Step 3: Cross multiply
    38,986,347x = 53,799,027.42 × 21,341,836.23
  4. Step 4: Simplify right side
    38,986,347x = 1,148,170,032,530,919.50
  5. Step 5: Solve for x
    x = 1,148,170,032,530,919.50/38,986,347
  6. Step 6: Final answer
    x = 29,450,567.21

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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.