Home / 13,681,728.39-18,857,774.52-10,372,926.89

Finding the Fourth Proportional to 13,681,728.39, 18,857,774.52 and 10,372,926.89

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Solution

The fourth proportional to 13,681,728.39, 18,857,774.52 and 10,372,926.89 is: 14,297,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,728.39 : 18,857,774.52 = 10,372,926.89 : x
  2. Step 2: Convert to fraction form
    13,681,728.39/18,857,774.52 = 10,372,926.89/x
  3. Step 3: Cross multiply
    13,681,728.39x = 18,857,774.52 × 10,372,926.89
  4. Step 4: Simplify right side
    13,681,728.39x = 195,610,316,404,064.84
  5. Step 5: Solve for x
    x = 195,610,316,404,064.84/13,681,728.39
  6. Step 6: Final answer
    x = 14,297,193.37

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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.