Home / 12,291,053.30-16,961,654.39-6,784,429.54

Finding the Fourth Proportional to 12,291,053.30, 16,961,654.39 and 6,784,429.54

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Solution

The fourth proportional to 12,291,053.30, 16,961,654.39 and 6,784,429.54 is: 9,362,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,053.30 : 16,961,654.39 = 6,784,429.54 : x
  2. Step 2: Convert to fraction form
    12,291,053.30/16,961,654.39 = 6,784,429.54/x
  3. Step 3: Cross multiply
    12,291,053.30x = 16,961,654.39 × 6,784,429.54
  4. Step 4: Simplify right side
    12,291,053.30x = 115,075,149,084,425.91
  5. Step 5: Solve for x
    x = 115,075,149,084,425.91/12,291,053.30
  6. Step 6: Final answer
    x = 9,362,513.23

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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.