Finding the Fourth Proportional to 8,535,108.94, 11,779,844.18 and 6,344,520.21
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Solution
The fourth proportional to 8,535,108.94, 11,779,844.18 and 6,344,520.21 is: 8,756,473.99
Step by Step Solution
- Step 1: Write the proportion equation
8,535,108.94 : 11,779,844.18 = 6,344,520.21 : x - Step 2: Convert to fraction form
8,535,108.94/11,779,844.18 = 6,344,520.21/x - Step 3: Cross multiply
8,535,108.94x = 11,779,844.18 × 6,344,520.21 - Step 4: Simplify right side
8,535,108.94x = 74,737,459,483,112.70 - Step 5: Solve for x
x = 74,737,459,483,112.70/8,535,108.94 - Step 6: Final answer
x = 8,756,473.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.