Finding the Fourth Proportional to 8,320,543.40, 12,482,024.70 and 3,528,223.40
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Solution
The fourth proportional to 8,320,543.40, 12,482,024.70 and 3,528,223.40 is: 5,292,848.02
Step by Step Solution
- Step 1: Write the proportion equation
8,320,543.40 : 12,482,024.70 = 3,528,223.40 : x - Step 2: Convert to fraction form
8,320,543.40/12,482,024.70 = 3,528,223.40/x - Step 3: Cross multiply
8,320,543.40x = 12,482,024.70 × 3,528,223.40 - Step 4: Simplify right side
8,320,543.40x = 44,039,371,625,917.98 - Step 5: Solve for x
x = 44,039,371,625,917.98/8,320,543.40 - Step 6: Final answer
x = 5,292,848.02
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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.