Finding the Fourth Proportional to 20,064,135, 27,690,213.92 and 11,363,855.32
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Solution
The fourth proportional to 20,064,135, 27,690,213.92 and 11,363,855.32 is: 15,683,087.50
Step by Step Solution
- Step 1: Write the proportion equation
20,064,135 : 27,690,213.92 = 11,363,855.32 : x - Step 2: Convert to fraction form
20,064,135/27,690,213.92 = 11,363,855.32/x - Step 3: Cross multiply
20,064,135x = 27,690,213.92 × 11,363,855.32 - Step 4: Simplify right side
20,064,135x = 314,667,584,766,730.06 - Step 5: Solve for x
x = 314,667,584,766,730.06/20,064,135 - Step 6: Final answer
x = 15,683,087.50
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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.