Finding the Fourth Proportional to 13,184,849.19, 19,782,957.24 and 7,118,376.42
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Solution
The fourth proportional to 13,184,849.19, 19,782,957.24 and 7,118,376.42 is: 10,680,633.07
Step by Step Solution
- Step 1: Write the proportion equation
13,184,849.19 : 19,782,957.24 = 7,118,376.42 : x - Step 2: Convert to fraction form
13,184,849.19/19,782,957.24 = 7,118,376.42/x - Step 3: Cross multiply
13,184,849.19x = 19,782,957.24 × 7,118,376.42 - Step 4: Simplify right side
13,184,849.19x = 140,822,536,335,084.28 - Step 5: Solve for x
x = 140,822,536,335,084.28/13,184,849.19 - Step 6: Final answer
x = 10,680,633.07
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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.