Home / 14,624,391.72-20,181,629.71-8,429,396.58

Finding the Fourth Proportional to 14,624,391.72, 20,181,629.71 and 8,429,396.58

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Solution

The fourth proportional to 14,624,391.72, 20,181,629.71 and 8,429,396.58 is: 11,632,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624,391.72 : 20,181,629.71 = 8,429,396.58 : x
  2. Step 2: Convert to fraction form
    14,624,391.72/20,181,629.71 = 8,429,396.58/x
  3. Step 3: Cross multiply
    14,624,391.72x = 20,181,629.71 × 8,429,396.58
  4. Step 4: Simplify right side
    14,624,391.72x = 170,118,960,456,300.41
  5. Step 5: Solve for x
    x = 170,118,960,456,300.41/14,624,391.72
  6. Step 6: Final answer
    x = 11,632,549.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.