Finding the Fourth Proportional to 18,424,985.37, 27,636,481.14 and 5,645,527.08
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Solution
The fourth proportional to 18,424,985.37, 27,636,481.14 and 5,645,527.08 is: 8,467,985.16
Step by Step Solution
- Step 1: Write the proportion equation
18,424,985.37 : 27,636,481.14 = 5,645,527.08 : x - Step 2: Convert to fraction form
18,424,985.37/27,636,481.14 = 5,645,527.08/x - Step 3: Cross multiply
18,424,985.37x = 27,636,481.14 × 5,645,527.08 - Step 4: Simplify right side
18,424,985.37x = 156,022,502,671,779.28 - Step 5: Solve for x
x = 156,022,502,671,779.28/18,424,985.37 - Step 6: Final answer
x = 8,467,985.16
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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.