Finding the Fourth Proportional to 15,363,381.03, 21,201,218.37 and 8,393,908.83
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Solution
The fourth proportional to 15,363,381.03, 21,201,218.37 and 8,393,908.83 is: 11,583,458.99
Step by Step Solution
- Step 1: Write the proportion equation
15,363,381.03 : 21,201,218.37 = 8,393,908.83 : x - Step 2: Convert to fraction form
15,363,381.03/21,201,218.37 = 8,393,908.83/x - Step 3: Cross multiply
15,363,381.03x = 21,201,218.37 × 8,393,908.83 - Step 4: Simplify right side
15,363,381.03x = 177,961,094,082,701.22 - Step 5: Solve for x
x = 177,961,094,082,701.22/15,363,381.03 - Step 6: Final answer
x = 11,583,458.99
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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.