Home / 28,950,404.40-39,952,017.09-15,719,573.88

Finding the Fourth Proportional to 28,950,404.40, 39,952,017.09 and 15,719,573.88

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Solution

The fourth proportional to 28,950,404.40, 39,952,017.09 and 15,719,573.88 is: 21,693,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950,404.40 : 39,952,017.09 = 15,719,573.88 : x
  2. Step 2: Convert to fraction form
    28,950,404.40/39,952,017.09 = 15,719,573.88/x
  3. Step 3: Cross multiply
    28,950,404.40x = 39,952,017.09 × 15,719,573.88
  4. Step 4: Simplify right side
    28,950,404.40x = 628,028,684,301,277.75
  5. Step 5: Solve for x
    x = 628,028,684,301,277.75/28,950,404.40
  6. Step 6: Final answer
    x = 21,693,261.19

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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.