Home / 38,365,067.44-52,943,167.43-20,961,038.08

Finding the Fourth Proportional to 38,365,067.44, 52,943,167.43 and 20,961,038.08

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Solution

The fourth proportional to 38,365,067.44, 52,943,167.43 and 20,961,038.08 is: 28,925,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365,067.44 : 52,943,167.43 = 20,961,038.08 : x
  2. Step 2: Convert to fraction form
    38,365,067.44/52,943,167.43 = 20,961,038.08/x
  3. Step 3: Cross multiply
    38,365,067.44x = 52,943,167.43 × 20,961,038.08
  4. Step 4: Simplify right side
    38,365,067.44x = 1,109,743,748,311,329.88
  5. Step 5: Solve for x
    x = 1,109,743,748,311,329.88/38,365,067.44
  6. Step 6: Final answer
    x = 28,925,890.73

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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.