Finding the Fourth Proportional to 49,871,794.21, 68,822,424.14 and 27,845,668.53
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Solution
The fourth proportional to 49,871,794.21, 68,822,424.14 and 27,845,668.53 is: 38,426,658.61
Step by Step Solution
- Step 1: Write the proportion equation
49,871,794.21 : 68,822,424.14 = 27,845,668.53 : x - Step 2: Convert to fraction form
49,871,794.21/68,822,424.14 = 27,845,668.53/x - Step 3: Cross multiply
49,871,794.21x = 68,822,424.14 × 27,845,668.53 - Step 4: Simplify right side
49,871,794.21x = 1,916,406,410,103,124.50 - Step 5: Solve for x
x = 1,916,406,410,103,124.50/49,871,794.21 - Step 6: Final answer
x = 38,426,658.61
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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.