Finding the Fourth Proportional to 16,313,478.90, 22,513,179.05 and 8,971,879.84
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Solution
The fourth proportional to 16,313,478.90, 22,513,179.05 and 8,971,879.84 is: 12,381,512.15
Step by Step Solution
- Step 1: Write the proportion equation
16,313,478.90 : 22,513,179.05 = 8,971,879.84 : x - Step 2: Convert to fraction form
16,313,478.90/22,513,179.05 = 8,971,879.84/x - Step 3: Cross multiply
16,313,478.90x = 22,513,179.05 × 8,971,879.84 - Step 4: Simplify right side
16,313,478.90x = 201,985,537,253,005.34 - Step 5: Solve for x
x = 201,985,537,253,005.34/16,313,478.90 - Step 6: Final answer
x = 12,381,512.15
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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.