Finding the Fourth Proportional to 51,729,467.08, 77,596,033.36 and 12,868,121.38
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Solution
The fourth proportional to 51,729,467.08, 77,596,033.36 and 12,868,121.38 is: 19,302,637.98
Step by Step Solution
- Step 1: Write the proportion equation
51,729,467.08 : 77,596,033.36 = 12,868,121.38 : x - Step 2: Convert to fraction form
51,729,467.08/77,596,033.36 = 12,868,121.38/x - Step 3: Cross multiply
51,729,467.08x = 77,596,033.36 × 12,868,121.38 - Step 4: Simplify right side
51,729,467.08x = 998,515,175,883,009.25 - Step 5: Solve for x
x = 998,515,175,883,009.25/51,729,467.08 - Step 6: Final answer
x = 19,302,637.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.