Finding the Fourth Proportional to 11,240,138.01, 15,511,766.58 and 6,888,383.93
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Solution
The fourth proportional to 11,240,138.01, 15,511,766.58 and 6,888,383.93 is: 9,506,200.32
Step by Step Solution
- Step 1: Write the proportion equation
11,240,138.01 : 15,511,766.58 = 6,888,383.93 : x - Step 2: Convert to fraction form
11,240,138.01/15,511,766.58 = 6,888,383.93/x - Step 3: Cross multiply
11,240,138.01x = 15,511,766.58 × 6,888,383.93 - Step 4: Simplify right side
11,240,138.01x = 106,851,003,558,024.22 - Step 5: Solve for x
x = 106,851,003,558,024.22/11,240,138.01 - Step 6: Final answer
x = 9,506,200.32
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1.5x scale
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.