Home / 13,044,513.78-18,003,089.97-7,887,911.94

Finding the Fourth Proportional to 13,044,513.78, 18,003,089.97 and 7,887,911.94

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Solution

The fourth proportional to 13,044,513.78, 18,003,089.97 and 7,887,911.94 is: 10,886,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,513.78 : 18,003,089.97 = 7,887,911.94 : x
  2. Step 2: Convert to fraction form
    13,044,513.78/18,003,089.97 = 7,887,911.94/x
  3. Step 3: Cross multiply
    13,044,513.78x = 18,003,089.97 × 7,887,911.94
  4. Step 4: Simplify right side
    13,044,513.78x = 142,006,788,331,257.25
  5. Step 5: Solve for x
    x = 142,006,788,331,257.25/13,044,513.78
  6. Step 6: Final answer
    x = 10,886,322.84

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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.