Home / 13,480,558.72-20,220,838.08-4,505,110.72

Finding the Fourth Proportional to 13,480,558.72, 20,220,838.08 and 4,505,110.72

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Solution

The fourth proportional to 13,480,558.72, 20,220,838.08 and 4,505,110.72 is: 6,757,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,558.72 : 20,220,838.08 = 4,505,110.72 : x
  2. Step 2: Convert to fraction form
    13,480,558.72/20,220,838.08 = 4,505,110.72/x
  3. Step 3: Cross multiply
    13,480,558.72x = 20,220,838.08 × 4,505,110.72
  4. Step 4: Simplify right side
    13,480,558.72x = 91,097,114,401,592.20
  5. Step 5: Solve for x
    x = 91,097,114,401,592.20/13,480,558.72
  6. Step 6: Final answer
    x = 6,757,666.08

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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.