Finding the Fourth Proportional to 18,475,582.08, 27,518,553.44 and 17,646,621.76
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Solution
The fourth proportional to 18,475,582.08, 27,518,553.44 and 17,646,621.76 is: 26,283,854.11
Step by Step Solution
- Step 1: Write the proportion equation
18,475,582.08 : 27,518,553.44 = 17,646,621.76 : x - Step 2: Convert to fraction form
18,475,582.08/27,518,553.44 = 17,646,621.76/x - Step 3: Cross multiply
18,475,582.08x = 27,518,553.44 × 17,646,621.76 - Step 4: Simplify right side
18,475,582.08x = 485,609,503,938,026.94 - Step 5: Solve for x
x = 485,609,503,938,026.94/18,475,582.08 - Step 6: Final answer
x = 26,283,854.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.