Home / 38,630,221-53,309,692.76-21,227,687.22

Finding the Fourth Proportional to 38,630,221, 53,309,692.76 and 21,227,687.22

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Solution

The fourth proportional to 38,630,221, 53,309,692.76 and 21,227,687.22 is: 29,294,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630,221 : 53,309,692.76 = 21,227,687.22 : x
  2. Step 2: Convert to fraction form
    38,630,221/53,309,692.76 = 21,227,687.22/x
  3. Step 3: Cross multiply
    38,630,221x = 53,309,692.76 × 21,227,687.22
  4. Step 4: Simplify right side
    38,630,221x = 1,131,641,483,703,578.50
  5. Step 5: Solve for x
    x = 1,131,641,483,703,578.50/38,630,221
  6. Step 6: Final answer
    x = 29,294,201.65

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1.5x scale

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.