Finding the Fourth Proportional to 48,453,553.08, 72,680,329.62 and 19,692,950.31
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Solution
The fourth proportional to 48,453,553.08, 72,680,329.62 and 19,692,950.31 is: 29,539,425.47
Step by Step Solution
- Step 1: Write the proportion equation
48,453,553.08 : 72,680,329.62 = 19,692,950.31 : x - Step 2: Convert to fraction form
48,453,553.08/72,680,329.62 = 19,692,950.31/x - Step 3: Cross multiply
48,453,553.08x = 72,680,329.62 × 19,692,950.31 - Step 4: Simplify right side
48,453,553.08x = 1,431,290,119,721,081.25 - Step 5: Solve for x
x = 1,431,290,119,721,081.25/48,453,553.08 - Step 6: Final answer
x = 29,539,425.47
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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.