Home / 15,001,715.16-20,701,942.74-8,806,662.36

Finding the Fourth Proportional to 15,001,715.16, 20,701,942.74 and 8,806,662.36

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Solution

The fourth proportional to 15,001,715.16, 20,701,942.74 and 8,806,662.36 is: 12,152,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,715.16 : 20,701,942.74 = 8,806,662.36 : x
  2. Step 2: Convert to fraction form
    15,001,715.16/20,701,942.74 = 8,806,662.36/x
  3. Step 3: Cross multiply
    15,001,715.16x = 20,701,942.74 × 8,806,662.36
  4. Step 4: Simplify right side
    15,001,715.16x = 182,315,019,907,233.25
  5. Step 5: Solve for x
    x = 182,315,019,907,233.25/15,001,715.16
  6. Step 6: Final answer
    x = 12,152,945.04

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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.