Finding the Fourth Proportional to 14,090,264.10, 21,128,734.44 and 5,458,407.45
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Solution
The fourth proportional to 14,090,264.10, 21,128,734.44 and 5,458,407.45 is: 8,185,030.50
Step by Step Solution
- Step 1: Write the proportion equation
14,090,264.10 : 21,128,734.44 = 5,458,407.45 : x - Step 2: Convert to fraction form
14,090,264.10/21,128,734.44 = 5,458,407.45/x - Step 3: Cross multiply
14,090,264.10x = 21,128,734.44 × 5,458,407.45 - Step 4: Simplify right side
14,090,264.10x = 115,329,241,476,367.59 - Step 5: Solve for x
x = 115,329,241,476,367.59/14,090,264.10 - Step 6: Final answer
x = 8,185,030.50
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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.