Finding the Fourth Proportional to 7,518,418.68, 11,257,422.48 and 4,771,091.64
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Solution
The fourth proportional to 7,518,418.68, 11,257,422.48 and 4,771,091.64 is: 7,143,815.28
Step by Step Solution
- Step 1: Write the proportion equation
7,518,418.68 : 11,257,422.48 = 4,771,091.64 : x - Step 2: Convert to fraction form
7,518,418.68/11,257,422.48 = 4,771,091.64/x - Step 3: Cross multiply
7,518,418.68x = 11,257,422.48 × 4,771,091.64 - Step 4: Simplify right side
7,518,418.68x = 53,710,194,282,276.06 - Step 5: Solve for x
x = 53,710,194,282,276.06/7,518,418.68 - Step 6: Final answer
x = 7,143,815.28
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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.