Finding the Fourth Proportional to 11,804,490.08, 17,685,155.58 and 8,557,987.36
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Solution
The fourth proportional to 11,804,490.08, 17,685,155.58 and 8,557,987.36 is: 12,821,336.36
Step by Step Solution
- Step 1: Write the proportion equation
11,804,490.08 : 17,685,155.58 = 8,557,987.36 : x - Step 2: Convert to fraction form
11,804,490.08/17,685,155.58 = 8,557,987.36/x - Step 3: Cross multiply
11,804,490.08x = 17,685,155.58 × 8,557,987.36 - Step 4: Simplify right side
11,804,490.08x = 151,349,337,913,273.44 - Step 5: Solve for x
x = 151,349,337,913,273.44/11,804,490.08 - Step 6: Final answer
x = 12,821,336.36
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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.