Home / 16,145,972.02-22,286,840.64-9,621,647.38

Finding the Fourth Proportional to 16,145,972.02, 22,286,840.64 and 9,621,647.38

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Solution

The fourth proportional to 16,145,972.02, 22,286,840.64 and 9,621,647.38 is: 13,281,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145,972.02 : 22,286,840.64 = 9,621,647.38 : x
  2. Step 2: Convert to fraction form
    16,145,972.02/22,286,840.64 = 9,621,647.38/x
  3. Step 3: Cross multiply
    16,145,972.02x = 22,286,840.64 × 9,621,647.38
  4. Step 4: Simplify right side
    16,145,972.02x = 214,436,121,852,333.56
  5. Step 5: Solve for x
    x = 214,436,121,852,333.56/16,145,972.02
  6. Step 6: Final answer
    x = 13,281,090.89

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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.