Home / 13,881,519.03-19,193,064-12,157,698.30

Finding the Fourth Proportional to 13,881,519.03, 19,193,064 and 12,157,698.30

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Solution

The fourth proportional to 13,881,519.03, 19,193,064 and 12,157,698.30 is: 16,809,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881,519.03 : 19,193,064 = 12,157,698.30 : x
  2. Step 2: Convert to fraction form
    13,881,519.03/19,193,064 = 12,157,698.30/x
  3. Step 3: Cross multiply
    13,881,519.03x = 19,193,064 × 12,157,698.30
  4. Step 4: Simplify right side
    13,881,519.03x = 233,343,481,564,591.22
  5. Step 5: Solve for x
    x = 233,343,481,564,591.22/13,881,519.03
  6. Step 6: Final answer
    x = 16,809,650.37

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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.