Finding the Fourth Proportional to 20,943,546.30, 31,415,319.45 and 5,797,477.80
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Solution
The fourth proportional to 20,943,546.30, 31,415,319.45 and 5,797,477.80 is: 8,696,216.70
Step by Step Solution
- Step 1: Write the proportion equation
20,943,546.30 : 31,415,319.45 = 5,797,477.80 : x - Step 2: Convert to fraction form
20,943,546.30/31,415,319.45 = 5,797,477.80/x - Step 3: Cross multiply
20,943,546.30x = 31,415,319.45 × 5,797,477.80 - Step 4: Simplify right side
20,943,546.30x = 182,129,617,091,283.19 - Step 5: Solve for x
x = 182,129,617,091,283.19/20,943,546.30 - Step 6: Final answer
x = 8,696,216.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.