Finding the Fourth Proportional to 18,982,692.74, 28,484,405.08 and 8,051,182.02
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Solution
The fourth proportional to 18,982,692.74, 28,484,405.08 and 8,051,182.02 is: 12,081,169.58
Step by Step Solution
- Step 1: Write the proportion equation
18,982,692.74 : 28,484,405.08 = 8,051,182.02 : x - Step 2: Convert to fraction form
18,982,692.74/28,484,405.08 = 8,051,182.02/x - Step 3: Cross multiply
18,982,692.74x = 28,484,405.08 × 8,051,182.02 - Step 4: Simplify right side
18,982,692.74x = 229,333,130,030,492.62 - Step 5: Solve for x
x = 229,333,130,030,492.62/18,982,692.74 - Step 6: Final answer
x = 12,081,169.58
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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.