Finding the Fourth Proportional to 8,768,686.96, 13,060,567.17 and 8,375,254.62
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Solution
The fourth proportional to 8,768,686.96, 13,060,567.17 and 8,375,254.62 is: 12,474,567.29
Step by Step Solution
- Step 1: Write the proportion equation
8,768,686.96 : 13,060,567.17 = 8,375,254.62 : x - Step 2: Convert to fraction form
8,768,686.96/13,060,567.17 = 8,375,254.62/x - Step 3: Cross multiply
8,768,686.96x = 13,060,567.17 × 8,375,254.62 - Step 4: Simplify right side
8,768,686.96x = 109,385,575,488,486.55 - Step 5: Solve for x
x = 109,385,575,488,486.55/8,768,686.96 - Step 6: Final answer
x = 12,474,567.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.