Home / 14,522,984.64-20,032,876.80-8,942,129.28

Finding the Fourth Proportional to 14,522,984.64, 20,032,876.80 and 8,942,129.28

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Solution

The fourth proportional to 14,522,984.64, 20,032,876.80 and 8,942,129.28 is: 12,334,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522,984.64 : 20,032,876.80 = 8,942,129.28 : x
  2. Step 2: Convert to fraction form
    14,522,984.64/20,032,876.80 = 8,942,129.28/x
  3. Step 3: Cross multiply
    14,522,984.64x = 20,032,876.80 × 8,942,129.28
  4. Step 4: Simplify right side
    14,522,984.64x = 179,136,574,195,912.69
  5. Step 5: Solve for x
    x = 179,136,574,195,912.69/14,522,984.64
  6. Step 6: Final answer
    x = 12,334,694.19

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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.