Home / 12,541,137.84-18,779,798.52-8,268,342.48

Finding the Fourth Proportional to 12,541,137.84, 18,779,798.52 and 8,268,342.48

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Solution

The fourth proportional to 12,541,137.84, 18,779,798.52 and 8,268,342.48 is: 12,381,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541,137.84 : 18,779,798.52 = 8,268,342.48 : x
  2. Step 2: Convert to fraction form
    12,541,137.84/18,779,798.52 = 8,268,342.48/x
  3. Step 3: Cross multiply
    12,541,137.84x = 18,779,798.52 × 8,268,342.48
  4. Step 4: Simplify right side
    12,541,137.84x = 155,277,805,868,757.12
  5. Step 5: Solve for x
    x = 155,277,805,868,757.12/12,541,137.84
  6. Step 6: Final answer
    x = 12,381,476.69

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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.