Home / 12,432,641.56-17,032,779.70-11,966,669.64

Finding the Fourth Proportional to 12,432,641.56, 17,032,779.70 and 11,966,669.64

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Solution

The fourth proportional to 12,432,641.56, 17,032,779.70 and 11,966,669.64 is: 16,394,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,641.56 : 17,032,779.70 = 11,966,669.64 : x
  2. Step 2: Convert to fraction form
    12,432,641.56/17,032,779.70 = 11,966,669.64/x
  3. Step 3: Cross multiply
    12,432,641.56x = 17,032,779.70 × 11,966,669.64
  4. Step 4: Simplify right side
    12,432,641.56x = 203,825,647,720,798.31
  5. Step 5: Solve for x
    x = 203,825,647,720,798.31/12,432,641.56
  6. Step 6: Final answer
    x = 16,394,395.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.