Finding the Fourth Proportional to 9,117,497.70, 13,676,246.55 and 8,235,699.30
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Solution
The fourth proportional to 9,117,497.70, 13,676,246.55 and 8,235,699.30 is: 12,353,548.95
Step by Step Solution
- Step 1: Write the proportion equation
9,117,497.70 : 13,676,246.55 = 8,235,699.30 : x - Step 2: Convert to fraction form
9,117,497.70/13,676,246.55 = 8,235,699.30/x - Step 3: Cross multiply
9,117,497.70x = 13,676,246.55 × 8,235,699.30 - Step 4: Simplify right side
9,117,497.70x = 112,633,454,138,462.42 - Step 5: Solve for x
x = 112,633,454,138,462.42/9,117,497.70 - Step 6: Final answer
x = 12,353,548.95
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1.5x scale
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.