Home / 38,247,495.48-52,780,003.93-20,843,467.02

Finding the Fourth Proportional to 38,247,495.48, 52,780,003.93 and 20,843,467.02

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Solution

The fourth proportional to 38,247,495.48, 52,780,003.93 and 20,843,467.02 is: 28,763,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,495.48 : 52,780,003.93 = 20,843,467.02 : x
  2. Step 2: Convert to fraction form
    38,247,495.48/52,780,003.93 = 20,843,467.02/x
  3. Step 3: Cross multiply
    38,247,495.48x = 52,780,003.93 × 20,843,467.02
  4. Step 4: Simplify right side
    38,247,495.48x = 1,100,118,271,230,425.38
  5. Step 5: Solve for x
    x = 1,100,118,271,230,425.38/38,247,495.48
  6. Step 6: Final answer
    x = 28,763,145.34

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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.