Home / 20,303,941.38-30,463,887.33-8,936,420.82

Finding the Fourth Proportional to 20,303,941.38, 30,463,887.33 and 8,936,420.82

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Solution

The fourth proportional to 20,303,941.38, 30,463,887.33 and 8,936,420.82 is: 13,408,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303,941.38 : 30,463,887.33 = 8,936,420.82 : x
  2. Step 2: Convert to fraction form
    20,303,941.38/30,463,887.33 = 8,936,420.82/x
  3. Step 3: Cross multiply
    20,303,941.38x = 30,463,887.33 × 8,936,420.82
  4. Step 4: Simplify right side
    20,303,941.38x = 272,238,116,993,946.22
  5. Step 5: Solve for x
    x = 272,238,116,993,946.22/20,303,941.38
  6. Step 6: Final answer
    x = 13,408,141.40

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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.