Finding the Fourth Proportional to 18,319,053.42, 27,480,573.27 and 6,803,170.02
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Solution
The fourth proportional to 18,319,053.42, 27,480,573.27 and 6,803,170.02 is: 10,205,495.22
Step by Step Solution
- Step 1: Write the proportion equation
18,319,053.42 : 27,480,573.27 = 6,803,170.02 : x - Step 2: Convert to fraction form
18,319,053.42/27,480,573.27 = 6,803,170.02/x - Step 3: Cross multiply
18,319,053.42x = 27,480,573.27 × 6,803,170.02 - Step 4: Simplify right side
18,319,053.42x = 186,955,012,202,877.34 - Step 5: Solve for x
x = 186,955,012,202,877.34/18,319,053.42 - Step 6: Final answer
x = 10,205,495.22
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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.