Finding the Fourth Proportional to 42,874,827.44, 64,276,091.16 and 18,595,475.20
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Solution
The fourth proportional to 42,874,827.44, 64,276,091.16 and 18,595,475.20 is: 27,877,533.99
Step by Step Solution
- Step 1: Write the proportion equation
42,874,827.44 : 64,276,091.16 = 18,595,475.20 : x - Step 2: Convert to fraction form
42,874,827.44/64,276,091.16 = 18,595,475.20/x - Step 3: Cross multiply
42,874,827.44x = 64,276,091.16 × 18,595,475.20 - Step 4: Simplify right side
42,874,827.44x = 1,195,244,459,118,719 - Step 5: Solve for x
x = 1,195,244,459,118,719/42,874,827.44 - Step 6: Final answer
x = 27,877,533.99
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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.