Home / 20,394,055.10-30,626,512.05-10,828,117.10

Finding the Fourth Proportional to 20,394,055.10, 30,626,512.05 and 10,828,117.10

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Solution

The fourth proportional to 20,394,055.10, 30,626,512.05 and 10,828,117.10 is: 16,260,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,055.10 : 30,626,512.05 = 10,828,117.10 : x
  2. Step 2: Convert to fraction form
    20,394,055.10/30,626,512.05 = 10,828,117.10/x
  3. Step 3: Cross multiply
    20,394,055.10x = 30,626,512.05 × 10,828,117.10
  4. Step 4: Simplify right side
    20,394,055.10x = 331,627,458,841,961.06
  5. Step 5: Solve for x
    x = 331,627,458,841,961.06/20,394,055.10
  6. Step 6: Final answer
    x = 16,260,986.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.