Home / 13,291,768.04-18,333,534.53-8,137,676.07

Finding the Fourth Proportional to 13,291,768.04, 18,333,534.53 and 8,137,676.07

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Solution

The fourth proportional to 13,291,768.04, 18,333,534.53 and 8,137,676.07 is: 11,224,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,768.04 : 18,333,534.53 = 8,137,676.07 : x
  2. Step 2: Convert to fraction form
    13,291,768.04/18,333,534.53 = 8,137,676.07/x
  3. Step 3: Cross multiply
    13,291,768.04x = 18,333,534.53 × 8,137,676.07
  4. Step 4: Simplify right side
    13,291,768.04x = 149,192,365,243,643.88
  5. Step 5: Solve for x
    x = 149,192,365,243,643.88/13,291,768.04
  6. Step 6: Final answer
    x = 11,224,418.37

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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.