Finding the Fourth Proportional to 13,903,340.58, 19,186,633.62 and 7,791,769.08
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Solution
The fourth proportional to 13,903,340.58, 19,186,633.62 and 7,791,769.08 is: 10,752,654.57
Step by Step Solution
- Step 1: Write the proportion equation
13,903,340.58 : 19,186,633.62 = 7,791,769.08 : x - Step 2: Convert to fraction form
13,903,340.58/19,186,633.62 = 7,791,769.08/x - Step 3: Cross multiply
13,903,340.58x = 19,186,633.62 × 7,791,769.08 - Step 4: Simplify right side
13,903,340.58x = 149,497,818,589,604.47 - Step 5: Solve for x
x = 149,497,818,589,604.47/13,903,340.58 - Step 6: Final answer
x = 10,752,654.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.