Finding the Fourth Proportional to 8,068,215.12, 12,104,692.92 and 2,388,587.28
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Solution
The fourth proportional to 8,068,215.12, 12,104,692.92 and 2,388,587.28 is: 3,583,582.63
Step by Step Solution
- Step 1: Write the proportion equation
8,068,215.12 : 12,104,692.92 = 2,388,587.28 : x - Step 2: Convert to fraction form
8,068,215.12/12,104,692.92 = 2,388,587.28/x - Step 3: Cross multiply
8,068,215.12x = 12,104,692.92 × 2,388,587.28 - Step 4: Simplify right side
8,068,215.12x = 28,913,115,537,018.05 - Step 5: Solve for x
x = 28,913,115,537,018.05/8,068,215.12 - Step 6: Final answer
x = 3,583,582.63
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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.