Finding the Fourth Proportional to 19,442,053.80, 29,163,080.70 and 5,978,881.80
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Solution
The fourth proportional to 19,442,053.80, 29,163,080.70 and 5,978,881.80 is: 8,968,322.70
Step by Step Solution
- Step 1: Write the proportion equation
19,442,053.80 : 29,163,080.70 = 5,978,881.80 : x - Step 2: Convert to fraction form
19,442,053.80/29,163,080.70 = 5,978,881.80/x - Step 3: Cross multiply
19,442,053.80x = 29,163,080.70 × 5,978,881.80 - Step 4: Simplify right side
19,442,053.80x = 174,362,612,429,161.25 - Step 5: Solve for x
x = 174,362,612,429,161.25/19,442,053.80 - Step 6: Final answer
x = 8,968,322.70
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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.