Home / 12,291,269.19-16,961,948.89-6,784,642.54

Finding the Fourth Proportional to 12,291,269.19, 16,961,948.89 and 6,784,642.54

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Solution

The fourth proportional to 12,291,269.19, 16,961,948.89 and 6,784,642.54 is: 9,362,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,269.19 : 16,961,948.89 = 6,784,642.54 : x
  2. Step 2: Convert to fraction form
    12,291,269.19/16,961,948.89 = 6,784,642.54/x
  3. Step 3: Cross multiply
    12,291,269.19x = 16,961,948.89 × 6,784,642.54
  4. Step 4: Simplify right side
    12,291,269.19x = 115,080,760,000,399.78
  5. Step 5: Solve for x
    x = 115,080,760,000,399.78/12,291,269.19
  6. Step 6: Final answer
    x = 9,362,805.27

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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.