Finding the Fourth Proportional to 35,724,821.32, 53,537,587.08 and 18,651,437.20
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Solution
The fourth proportional to 35,724,821.32, 53,537,587.08 and 18,651,437.20 is: 27,951,236.88
Step by Step Solution
- Step 1: Write the proportion equation
35,724,821.32 : 53,537,587.08 = 18,651,437.20 : x - Step 2: Convert to fraction form
35,724,821.32/53,537,587.08 = 18,651,437.20/x - Step 3: Cross multiply
35,724,821.32x = 53,537,587.08 × 18,651,437.20 - Step 4: Simplify right side
35,724,821.32x = 998,552,943,262,151.25 - Step 5: Solve for x
x = 998,552,943,262,151.25/35,724,821.32 - Step 6: Final answer
x = 27,951,236.88
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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.