Finding the Fourth Proportional to 8,478,307.10, 11,702,698.20 and 6,739,062.68
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Solution
The fourth proportional to 8,478,307.10, 11,702,698.20 and 6,739,062.68 is: 9,302,000.48
Step by Step Solution
- Step 1: Write the proportion equation
8,478,307.10 : 11,702,698.20 = 6,739,062.68 : x - Step 2: Convert to fraction form
8,478,307.10/11,702,698.20 = 6,739,062.68/x - Step 3: Cross multiply
8,478,307.10x = 11,702,698.20 × 6,739,062.68 - Step 4: Simplify right side
8,478,307.10x = 78,865,216,636,409.67 - Step 5: Solve for x
x = 78,865,216,636,409.67/8,478,307.10 - Step 6: Final answer
x = 9,302,000.48
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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.