Finding the Fourth Proportional to 18,405,038.78, 27,607,321.68 and 6,114,653.45
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Solution
The fourth proportional to 18,405,038.78, 27,607,321.68 and 6,114,653.45 is: 9,171,901.61
Step by Step Solution
- Step 1: Write the proportion equation
18,405,038.78 : 27,607,321.68 = 6,114,653.45 : x - Step 2: Convert to fraction form
18,405,038.78/27,607,321.68 = 6,114,653.45/x - Step 3: Cross multiply
18,405,038.78x = 27,607,321.68 × 6,114,653.45 - Step 4: Simplify right side
18,405,038.78x = 168,809,204,755,871.81 - Step 5: Solve for x
x = 168,809,204,755,871.81/18,405,038.78 - Step 6: Final answer
x = 9,171,901.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.