Finding the Fourth Proportional to 8,558,342.79, 11,810,488.63 and 4,690,851.99
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Solution
The fourth proportional to 8,558,342.79, 11,810,488.63 and 4,690,851.99 is: 6,473,362.36
Step by Step Solution
- Step 1: Write the proportion equation
8,558,342.79 : 11,810,488.63 = 4,690,851.99 : x - Step 2: Convert to fraction form
8,558,342.79/11,810,488.63 = 4,690,851.99/x - Step 3: Cross multiply
8,558,342.79x = 11,810,488.63 × 4,690,851.99 - Step 4: Simplify right side
8,558,342.79x = 55,401,254,010,401.17 - Step 5: Solve for x
x = 55,401,254,010,401.17/8,558,342.79 - Step 6: Final answer
x = 6,473,362.36
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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.