Home / 13,055,997.12-18,017,681.76-7,175,524.64

Finding the Fourth Proportional to 13,055,997.12, 18,017,681.76 and 7,175,524.64

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Solution

The fourth proportional to 13,055,997.12, 18,017,681.76 and 7,175,524.64 is: 9,902,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,997.12 : 18,017,681.76 = 7,175,524.64 : x
  2. Step 2: Convert to fraction form
    13,055,997.12/18,017,681.76 = 7,175,524.64/x
  3. Step 3: Cross multiply
    13,055,997.12x = 18,017,681.76 × 7,175,524.64
  4. Step 4: Simplify right side
    13,055,997.12x = 129,286,319,424,558.58
  5. Step 5: Solve for x
    x = 129,286,319,424,558.58/13,055,997.12
  6. Step 6: Final answer
    x = 9,902,446.99

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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.