Home / 13,666,036.26-18,858,231.36-7,863,881.52

Finding the Fourth Proportional to 13,666,036.26, 18,858,231.36 and 7,863,881.52

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Solution

The fourth proportional to 13,666,036.26, 18,858,231.36 and 7,863,881.52 is: 10,851,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,036.26 : 18,858,231.36 = 7,863,881.52 : x
  2. Step 2: Convert to fraction form
    13,666,036.26/18,858,231.36 = 7,863,881.52/x
  3. Step 3: Cross multiply
    13,666,036.26x = 18,858,231.36 × 7,863,881.52
  4. Step 4: Simplify right side
    13,666,036.26x = 148,298,897,091,788.47
  5. Step 5: Solve for x
    x = 148,298,897,091,788.47/13,666,036.26
  6. Step 6: Final answer
    x = 10,851,639.37

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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.