Finding the Fourth Proportional to 13,039,861.55, 19,551,816.99 and 6,218,521.07
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Solution
The fourth proportional to 13,039,861.55, 19,551,816.99 and 6,218,521.07 is: 9,323,978.28
Step by Step Solution
- Step 1: Write the proportion equation
13,039,861.55 : 19,551,816.99 = 6,218,521.07 : x - Step 2: Convert to fraction form
13,039,861.55/19,551,816.99 = 6,218,521.07/x - Step 3: Cross multiply
13,039,861.55x = 19,551,816.99 × 6,218,521.07 - Step 4: Simplify right side
13,039,861.55x = 121,583,385,811,339.89 - Step 5: Solve for x
x = 121,583,385,811,339.89/13,039,861.55 - Step 6: Final answer
x = 9,323,978.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.