Finding the Fourth Proportional to 8,487,668.23, 11,690,669.81 and 6,523,790.75
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Solution
The fourth proportional to 8,487,668.23, 11,690,669.81 and 6,523,790.75 is: 8,985,681.52
Step by Step Solution
- Step 1: Write the proportion equation
8,487,668.23 : 11,690,669.81 = 6,523,790.75 : x - Step 2: Convert to fraction form
8,487,668.23/11,690,669.81 = 6,523,790.75/x - Step 3: Cross multiply
8,487,668.23x = 11,690,669.81 × 6,523,790.75 - Step 4: Simplify right side
8,487,668.23x = 76,267,483,565,662.08 - Step 5: Solve for x
x = 76,267,483,565,662.08/8,487,668.23 - Step 6: Final answer
x = 8,985,681.52
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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.