Finding the Fourth Proportional to 13,456,117.68, 20,193,091.12 and 7,395,082.08
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Solution
The fourth proportional to 13,456,117.68, 20,193,091.12 and 7,395,082.08 is: 11,097,522.32
Step by Step Solution
- Step 1: Write the proportion equation
13,456,117.68 : 20,193,091.12 = 7,395,082.08 : x - Step 2: Convert to fraction form
13,456,117.68/20,193,091.12 = 7,395,082.08/x - Step 3: Cross multiply
13,456,117.68x = 20,193,091.12 × 7,395,082.08 - Step 4: Simplify right side
13,456,117.68x = 149,329,566,281,319.12 - Step 5: Solve for x
x = 149,329,566,281,319.12/13,456,117.68 - Step 6: Final answer
x = 11,097,522.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.