Finding the Fourth Proportional to 14,234,989.51, 19,644,296.18 and 7,708,626.12
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Solution
The fourth proportional to 14,234,989.51, 19,644,296.18 and 7,708,626.12 is: 10,637,909.82
Step by Step Solution
- Step 1: Write the proportion equation
14,234,989.51 : 19,644,296.18 = 7,708,626.12 : x - Step 2: Convert to fraction form
14,234,989.51/19,644,296.18 = 7,708,626.12/x - Step 3: Cross multiply
14,234,989.51x = 19,644,296.18 × 7,708,626.12 - Step 4: Simplify right side
14,234,989.51x = 151,430,534,677,287.22 - Step 5: Solve for x
x = 151,430,534,677,287.22/14,234,989.51 - Step 6: Final answer
x = 10,637,909.82
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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.