Finding the Fourth Proportional to 8,705,337.74, 13,060,219.53 and 5,114,141.18
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Solution
The fourth proportional to 8,705,337.74, 13,060,219.53 and 5,114,141.18 is: 7,672,511.80
Step by Step Solution
- Step 1: Write the proportion equation
8,705,337.74 : 13,060,219.53 = 5,114,141.18 : x - Step 2: Convert to fraction form
8,705,337.74/13,060,219.53 = 5,114,141.18/x - Step 3: Cross multiply
8,705,337.74x = 13,060,219.53 × 5,114,141.18 - Step 4: Simplify right side
8,705,337.74x = 66,791,806,518,213.23 - Step 5: Solve for x
x = 66,791,806,518,213.23/8,705,337.74 - Step 6: Final answer
x = 7,672,511.80
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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.