Home / 30,615,938.38-45,923,907.57-12,665,042.38

Finding the Fourth Proportional to 30,615,938.38, 45,923,907.57 and 12,665,042.38

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Solution

The fourth proportional to 30,615,938.38, 45,923,907.57 and 12,665,042.38 is: 18,997,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615,938.38 : 45,923,907.57 = 12,665,042.38 : x
  2. Step 2: Convert to fraction form
    30,615,938.38/45,923,907.57 = 12,665,042.38/x
  3. Step 3: Cross multiply
    30,615,938.38x = 45,923,907.57 × 12,665,042.38
  4. Step 4: Simplify right side
    30,615,938.38x = 581,628,235,336,308
  5. Step 5: Solve for x
    x = 581,628,235,336,308/30,615,938.38
  6. Step 6: Final answer
    x = 18,997,563.56

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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.