Finding the Fourth Proportional to 8,768,686.46, 13,060,566.42 and 8,375,254.12
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Solution
The fourth proportional to 8,768,686.46, 13,060,566.42 and 8,375,254.12 is: 12,474,566.54
Step by Step Solution
- Step 1: Write the proportion equation
8,768,686.46 : 13,060,566.42 = 8,375,254.12 : x - Step 2: Convert to fraction form
8,768,686.46/13,060,566.42 = 8,375,254.12/x - Step 3: Cross multiply
8,768,686.46x = 13,060,566.42 × 8,375,254.12 - Step 4: Simplify right side
8,768,686.46x = 109,385,562,718,638.66 - Step 5: Solve for x
x = 109,385,562,718,638.66/8,768,686.46 - Step 6: Final answer
x = 12,474,566.54
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.