Finding the Fourth Proportional to 13,882,832.53, 19,158,068.73 and 7,687,756.51
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Solution
The fourth proportional to 13,882,832.53, 19,158,068.73 and 7,687,756.51 is: 10,608,970.99
Step by Step Solution
- Step 1: Write the proportion equation
13,882,832.53 : 19,158,068.73 = 7,687,756.51 : x - Step 2: Convert to fraction form
13,882,832.53/19,158,068.73 = 7,687,756.51/x - Step 3: Cross multiply
13,882,832.53x = 19,158,068.73 × 7,687,756.51 - Step 4: Simplify right side
13,882,832.53x = 147,282,567,598,084.94 - Step 5: Solve for x
x = 147,282,567,598,084.94/13,882,832.53 - Step 6: Final answer
x = 10,608,970.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.