Home / 13,161,213.52-18,167,040.68-9,044,871

Finding the Fourth Proportional to 13,161,213.52, 18,167,040.68 and 9,044,871

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Solution

The fourth proportional to 13,161,213.52, 18,167,040.68 and 9,044,871 is: 12,485,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,213.52 : 18,167,040.68 = 9,044,871 : x
  2. Step 2: Convert to fraction form
    13,161,213.52/18,167,040.68 = 9,044,871/x
  3. Step 3: Cross multiply
    13,161,213.52x = 18,167,040.68 × 9,044,871
  4. Step 4: Simplify right side
    13,161,213.52x = 164,318,539,402,352.28
  5. Step 5: Solve for x
    x = 164,318,539,402,352.28/13,161,213.52
  6. Step 6: Final answer
    x = 12,485,059.92

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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.