Finding the Fourth Proportional to 11,277,775.93, 15,563,342.30 and 6,121,138.54
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Solution
The fourth proportional to 11,277,775.93, 15,563,342.30 and 6,121,138.54 is: 8,447,177.44
Step by Step Solution
- Step 1: Write the proportion equation
11,277,775.93 : 15,563,342.30 = 6,121,138.54 : x - Step 2: Convert to fraction form
11,277,775.93/15,563,342.30 = 6,121,138.54/x - Step 3: Cross multiply
11,277,775.93x = 15,563,342.30 × 6,121,138.54 - Step 4: Simplify right side
11,277,775.93x = 95,265,374,363,742.25 - Step 5: Solve for x
x = 95,265,374,363,742.25/11,277,775.93 - Step 6: Final answer
x = 8,447,177.44
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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.