Home / 20,111,031.02-30,171,269.73-6,647,858.54

Finding the Fourth Proportional to 20,111,031.02, 30,171,269.73 and 6,647,858.54

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Solution

The fourth proportional to 20,111,031.02, 30,171,269.73 and 6,647,858.54 is: 9,973,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,031.02 : 30,171,269.73 = 6,647,858.54 : x
  2. Step 2: Convert to fraction form
    20,111,031.02/30,171,269.73 = 6,647,858.54/x
  3. Step 3: Cross multiply
    20,111,031.02x = 30,171,269.73 × 6,647,858.54
  4. Step 4: Simplify right side
    20,111,031.02x = 200,574,333,137,224
  5. Step 5: Solve for x
    x = 200,574,333,137,224/20,111,031.02
  6. Step 6: Final answer
    x = 9,973,349.10

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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.