Home / 28,427,390.37-39,231,592.50-16,032,961.53

Finding the Fourth Proportional to 28,427,390.37, 39,231,592.50 and 16,032,961.53

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Solution

The fourth proportional to 28,427,390.37, 39,231,592.50 and 16,032,961.53 is: 22,126,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,390.37 : 39,231,592.50 = 16,032,961.53 : x
  2. Step 2: Convert to fraction form
    28,427,390.37/39,231,592.50 = 16,032,961.53/x
  3. Step 3: Cross multiply
    28,427,390.37x = 39,231,592.50 × 16,032,961.53
  4. Step 4: Simplify right side
    28,427,390.37x = 628,998,613,313,136.50
  5. Step 5: Solve for x
    x = 628,998,613,313,136.50/28,427,390.37
  6. Step 6: Final answer
    x = 22,126,498.60

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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.