Finding the Fourth Proportional to 28,381,328.60, 42,567,845.70 and 8,184,464.60
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Solution
The fourth proportional to 28,381,328.60, 42,567,845.70 and 8,184,464.60 is: 12,275,500.95
Step by Step Solution
- Step 1: Write the proportion equation
28,381,328.60 : 42,567,845.70 = 8,184,464.60 : x - Step 2: Convert to fraction form
28,381,328.60/42,567,845.70 = 8,184,464.60/x - Step 3: Cross multiply
28,381,328.60x = 42,567,845.70 × 8,184,464.60 - Step 4: Simplify right side
28,381,328.60x = 348,395,026,229,912.25 - Step 5: Solve for x
x = 348,395,026,229,912.25/28,381,328.60 - Step 6: Final answer
x = 12,275,500.95
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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.