Home / 14,057,485.64-21,062,156.88-7,672,218.38

Finding the Fourth Proportional to 14,057,485.64, 21,062,156.88 and 7,672,218.38

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Solution

The fourth proportional to 14,057,485.64, 21,062,156.88 and 7,672,218.38 is: 11,495,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057,485.64 : 21,062,156.88 = 7,672,218.38 : x
  2. Step 2: Convert to fraction form
    14,057,485.64/21,062,156.88 = 7,672,218.38/x
  3. Step 3: Cross multiply
    14,057,485.64x = 21,062,156.88 × 7,672,218.38
  4. Step 4: Simplify right side
    14,057,485.64x = 161,593,467,137,179.44
  5. Step 5: Solve for x
    x = 161,593,467,137,179.44/14,057,485.64
  6. Step 6: Final answer
    x = 11,495,189.91

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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.