Finding the Fourth Proportional to 45,648,369.27, 62,958,018.18 and 40,129,944.99
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Solution
The fourth proportional to 45,648,369.27, 62,958,018.18 and 40,129,944.99 is: 55,347,033.13
Step by Step Solution
- Step 1: Write the proportion equation
45,648,369.27 : 62,958,018.18 = 40,129,944.99 : x - Step 2: Convert to fraction form
45,648,369.27/62,958,018.18 = 40,129,944.99/x - Step 3: Cross multiply
45,648,369.27x = 62,958,018.18 × 40,129,944.99 - Step 4: Simplify right side
45,648,369.27x = 2,526,501,806,242,820 - Step 5: Solve for x
x = 2,526,501,806,242,820/45,648,369.27 - Step 6: Final answer
x = 55,347,033.13
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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.