Home / 28,361,830.91-39,157,427.79-23,147,295.75

Finding the Fourth Proportional to 28,361,830.91, 39,157,427.79 and 23,147,295.75

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Solution

The fourth proportional to 28,361,830.91, 39,157,427.79 and 23,147,295.75 is: 31,958,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,830.91 : 39,157,427.79 = 23,147,295.75 : x
  2. Step 2: Convert to fraction form
    28,361,830.91/39,157,427.79 = 23,147,295.75/x
  3. Step 3: Cross multiply
    28,361,830.91x = 39,157,427.79 × 23,147,295.75
  4. Step 4: Simplify right side
    28,361,830.91x = 906,388,561,864,398.88
  5. Step 5: Solve for x
    x = 906,388,561,864,398.88/28,361,830.91
  6. Step 6: Final answer
    x = 31,958,041.25

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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.