Finding the Fourth Proportional to 20,064,122.96, 27,690,197.29 and 11,363,843.30
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Solution
The fourth proportional to 20,064,122.96, 27,690,197.29 and 11,363,843.30 is: 15,683,070.90
Step by Step Solution
- Step 1: Write the proportion equation
20,064,122.96 : 27,690,197.29 = 11,363,843.30 : x - Step 2: Convert to fraction form
20,064,122.96/27,690,197.29 = 11,363,843.30/x - Step 3: Cross multiply
20,064,122.96x = 27,690,197.29 × 11,363,843.30 - Step 4: Simplify right side
20,064,122.96x = 314,667,062,782,784.06 - Step 5: Solve for x
x = 314,667,062,782,784.06/20,064,122.96 - Step 6: Final answer
x = 15,683,070.90
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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.