Home / 38,969,969.60-58,458,640.80-10,603,121.60

Finding the Fourth Proportional to 38,969,969.60, 58,458,640.80 and 10,603,121.60

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Solution

The fourth proportional to 38,969,969.60, 58,458,640.80 and 10,603,121.60 is: 15,905,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969,969.60 : 58,458,640.80 = 10,603,121.60 : x
  2. Step 2: Convert to fraction form
    38,969,969.60/58,458,640.80 = 10,603,121.60/x
  3. Step 3: Cross multiply
    38,969,969.60x = 58,458,640.80 × 10,603,121.60
  4. Step 4: Simplify right side
    38,969,969.60x = 619,844,076,973,121.25
  5. Step 5: Solve for x
    x = 619,844,076,973,121.25/38,969,969.60
  6. Step 6: Final answer
    x = 15,905,685.41

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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.