Home / 30,191,360.61-45,245,142.57-13,756,480.36

Finding the Fourth Proportional to 30,191,360.61, 45,245,142.57 and 13,756,480.36

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Solution

The fourth proportional to 30,191,360.61, 45,245,142.57 and 13,756,480.36 is: 20,615,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,360.61 : 45,245,142.57 = 13,756,480.36 : x
  2. Step 2: Convert to fraction form
    30,191,360.61/45,245,142.57 = 13,756,480.36/x
  3. Step 3: Cross multiply
    30,191,360.61x = 45,245,142.57 × 13,756,480.36
  4. Step 4: Simplify right side
    30,191,360.61x = 622,413,915,088,078.88
  5. Step 5: Solve for x
    x = 622,413,915,088,078.88/30,191,360.61
  6. Step 6: Final answer
    x = 20,615,629.85

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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.