Home / 20,262,632.78-30,406,058.99-18,614,237.57

Finding the Fourth Proportional to 20,262,632.78, 30,406,058.99 and 18,614,237.57

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Solution

The fourth proportional to 20,262,632.78, 30,406,058.99 and 18,614,237.57 is: 27,932,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,632.78 : 30,406,058.99 = 18,614,237.57 : x
  2. Step 2: Convert to fraction form
    20,262,632.78/30,406,058.99 = 18,614,237.57/x
  3. Step 3: Cross multiply
    20,262,632.78x = 30,406,058.99 × 18,614,237.57
  4. Step 4: Simplify right side
    20,262,632.78x = 565,985,605,362,192.75
  5. Step 5: Solve for x
    x = 565,985,605,362,192.75/20,262,632.78
  6. Step 6: Final answer
    x = 27,932,481.02

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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.