Finding the Fourth Proportional to 13,319,267.57, 18,380,589.27 and 7,207,696.07
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Solution
The fourth proportional to 13,319,267.57, 18,380,589.27 and 7,207,696.07 is: 9,946,620.59
Step by Step Solution
- Step 1: Write the proportion equation
13,319,267.57 : 18,380,589.27 = 7,207,696.07 : x - Step 2: Convert to fraction form
13,319,267.57/18,380,589.27 = 7,207,696.07/x - Step 3: Cross multiply
13,319,267.57x = 18,380,589.27 × 7,207,696.07 - Step 4: Simplify right side
13,319,267.57x = 132,481,700,953,760.23 - Step 5: Solve for x
x = 132,481,700,953,760.23/13,319,267.57 - Step 6: Final answer
x = 9,946,620.59
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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.