Finding the Fourth Proportional to 7,756,435.62, 11,639,967.84 and 2,707,746.12
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Solution
The fourth proportional to 7,756,435.62, 11,639,967.84 and 2,707,746.12 is: 4,063,474.42
Step by Step Solution
- Step 1: Write the proportion equation
7,756,435.62 : 11,639,967.84 = 2,707,746.12 : x - Step 2: Convert to fraction form
7,756,435.62/11,639,967.84 = 2,707,746.12/x - Step 3: Cross multiply
7,756,435.62x = 11,639,967.84 × 2,707,746.12 - Step 4: Simplify right side
7,756,435.62x = 31,518,077,755,684.78 - Step 5: Solve for x
x = 31,518,077,755,684.78/7,756,435.62 - Step 6: Final answer
x = 4,063,474.42
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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.