Finding the Fourth Proportional to 42,021,324.48, 63,027,252.48 and 11,318,151.12
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Solution
The fourth proportional to 42,021,324.48, 63,027,252.48 and 11,318,151.12 is: 16,975,951.55
Step by Step Solution
- Step 1: Write the proportion equation
42,021,324.48 : 63,027,252.48 = 11,318,151.12 : x - Step 2: Convert to fraction form
42,021,324.48/63,027,252.48 = 11,318,151.12/x - Step 3: Cross multiply
42,021,324.48x = 63,027,252.48 × 11,318,151.12 - Step 4: Simplify right side
42,021,324.48x = 713,351,968,247,034.75 - Step 5: Solve for x
x = 713,351,968,247,034.75/42,021,324.48 - Step 6: Final answer
x = 16,975,951.55
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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.