Home / 20,534,126.16-30,831,467.85-11,453,964.60

Finding the Fourth Proportional to 20,534,126.16, 30,831,467.85 and 11,453,964.60

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Solution

The fourth proportional to 20,534,126.16, 30,831,467.85 and 11,453,964.60 is: 17,197,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,126.16 : 30,831,467.85 = 11,453,964.60 : x
  2. Step 2: Convert to fraction form
    20,534,126.16/30,831,467.85 = 11,453,964.60/x
  3. Step 3: Cross multiply
    20,534,126.16x = 30,831,467.85 × 11,453,964.60
  4. Step 4: Simplify right side
    20,534,126.16x = 353,142,541,319,938.12
  5. Step 5: Solve for x
    x = 353,142,541,319,938.12/20,534,126.16
  6. Step 6: Final answer
    x = 17,197,836.35

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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.