Home / 18,148,316.79-25,044,360.56-9,888,447.45

Finding the Fourth Proportional to 18,148,316.79, 25,044,360.56 and 9,888,447.45

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Solution

The fourth proportional to 18,148,316.79, 25,044,360.56 and 9,888,447.45 is: 13,645,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,316.79 : 25,044,360.56 = 9,888,447.45 : x
  2. Step 2: Convert to fraction form
    18,148,316.79/25,044,360.56 = 9,888,447.45/x
  3. Step 3: Cross multiply
    18,148,316.79x = 25,044,360.56 × 9,888,447.45
  4. Step 4: Simplify right side
    18,148,316.79x = 247,649,843,284,910.03
  5. Step 5: Solve for x
    x = 247,649,843,284,910.03/18,148,316.79
  6. Step 6: Final answer
    x = 13,645,884.97

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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.