Finding the Fourth Proportional to 13,556,463.39, 18,701,001.99 and 8,656,533.63
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Solution
The fourth proportional to 13,556,463.39, 18,701,001.99 and 8,656,533.63 is: 11,941,599.22
Step by Step Solution
- Step 1: Write the proportion equation
13,556,463.39 : 18,701,001.99 = 8,656,533.63 : x - Step 2: Convert to fraction form
13,556,463.39/18,701,001.99 = 8,656,533.63/x - Step 3: Cross multiply
13,556,463.39x = 18,701,001.99 × 8,656,533.63 - Step 4: Simplify right side
13,556,463.39x = 161,885,852,641,131.94 - Step 5: Solve for x
x = 161,885,852,641,131.94/13,556,463.39 - Step 6: Final answer
x = 11,941,599.22
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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.