Home / 39,023,479.44-58,515,741.56-12,758,893.76

Finding the Fourth Proportional to 39,023,479.44, 58,515,741.56 and 12,758,893.76

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Solution

The fourth proportional to 39,023,479.44, 58,515,741.56 and 12,758,893.76 is: 19,131,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023,479.44 : 58,515,741.56 = 12,758,893.76 : x
  2. Step 2: Convert to fraction form
    39,023,479.44/58,515,741.56 = 12,758,893.76/x
  3. Step 3: Cross multiply
    39,023,479.44x = 58,515,741.56 × 12,758,893.76
  4. Step 4: Simplify right side
    39,023,479.44x = 746,596,129,851,656.62
  5. Step 5: Solve for x
    x = 746,596,129,851,656.62/39,023,479.44
  6. Step 6: Final answer
    x = 19,131,972.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.