Home / 13,640,287.36-20,463,700.72-4,542,463.76

Finding the Fourth Proportional to 13,640,287.36, 20,463,700.72 and 4,542,463.76

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Solution

The fourth proportional to 13,640,287.36, 20,463,700.72 and 4,542,463.76 is: 6,814,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,287.36 : 20,463,700.72 = 4,542,463.76 : x
  2. Step 2: Convert to fraction form
    13,640,287.36/20,463,700.72 = 4,542,463.76/x
  3. Step 3: Cross multiply
    13,640,287.36x = 20,463,700.72 × 4,542,463.76
  4. Step 4: Simplify right side
    13,640,287.36x = 92,955,618,916,085.89
  5. Step 5: Solve for x
    x = 92,955,618,916,085.89/13,640,287.36
  6. Step 6: Final answer
    x = 6,814,784.50

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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.