Home / 20,646,731.36-30,970,146.16-6,269,907.20

Finding the Fourth Proportional to 20,646,731.36, 30,970,146.16 and 6,269,907.20

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Solution

The fourth proportional to 20,646,731.36, 30,970,146.16 and 6,269,907.20 is: 9,404,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,731.36 : 30,970,146.16 = 6,269,907.20 : x
  2. Step 2: Convert to fraction form
    20,646,731.36/30,970,146.16 = 6,269,907.20/x
  3. Step 3: Cross multiply
    20,646,731.36x = 30,970,146.16 × 6,269,907.20
  4. Step 4: Simplify right side
    20,646,731.36x = 194,179,942,393,636.34
  5. Step 5: Solve for x
    x = 194,179,942,393,636.34/20,646,731.36
  6. Step 6: Final answer
    x = 9,404,875.72

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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.