Finding the Fourth Proportional to 7,608,102.08, 10,493,058.84 and 6,688,364.72
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Solution
The fourth proportional to 7,608,102.08, 10,493,058.84 and 6,688,364.72 is: 9,224,561.37
Step by Step Solution
- Step 1: Write the proportion equation
7,608,102.08 : 10,493,058.84 = 6,688,364.72 : x - Step 2: Convert to fraction form
7,608,102.08/10,493,058.84 = 6,688,364.72/x - Step 3: Cross multiply
7,608,102.08x = 10,493,058.84 × 6,688,364.72 - Step 4: Simplify right side
7,608,102.08x = 70,181,404,550,340.12 - Step 5: Solve for x
x = 70,181,404,550,340.12/7,608,102.08 - Step 6: Final answer
x = 9,224,561.37
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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.