Finding the Fourth Proportional to 9,642,214.67, 13,306,640.04 and 5,291,456.68
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Solution
The fourth proportional to 9,642,214.67, 13,306,640.04 and 5,291,456.68 is: 7,302,420.83
Step by Step Solution
- Step 1: Write the proportion equation
9,642,214.67 : 13,306,640.04 = 5,291,456.68 : x - Step 2: Convert to fraction form
9,642,214.67/13,306,640.04 = 5,291,456.68/x - Step 3: Cross multiply
9,642,214.67x = 13,306,640.04 × 5,291,456.68 - Step 4: Simplify right side
9,642,214.67x = 70,411,509,261,480.27 - Step 5: Solve for x
x = 70,411,509,261,480.27/9,642,214.67 - Step 6: Final answer
x = 7,302,420.83
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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.