Finding the Fourth Proportional to 8,315,553.11, 12,473,776.79 and 2,636,220.29
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Solution
The fourth proportional to 8,315,553.11, 12,473,776.79 and 2,636,220.29 is: 3,954,472.18
Step by Step Solution
- Step 1: Write the proportion equation
8,315,553.11 : 12,473,776.79 = 2,636,220.29 : x - Step 2: Convert to fraction form
8,315,553.11/12,473,776.79 = 2,636,220.29/x - Step 3: Cross multiply
8,315,553.11x = 12,473,776.79 × 2,636,220.29 - Step 4: Simplify right side
8,315,553.11x = 32,883,623,453,547.97 - Step 5: Solve for x
x = 32,883,623,453,547.97/8,315,553.11 - Step 6: Final answer
x = 3,954,472.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.