Finding the Fourth Proportional to 40,933,734.35, 61,432,689.68 and 28,557,212.18
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Solution
The fourth proportional to 40,933,734.35, 61,432,689.68 and 28,557,212.18 is: 42,858,204.41
Step by Step Solution
- Step 1: Write the proportion equation
40,933,734.35 : 61,432,689.68 = 28,557,212.18 : x - Step 2: Convert to fraction form
40,933,734.35/61,432,689.68 = 28,557,212.18/x - Step 3: Cross multiply
40,933,734.35x = 61,432,689.68 × 28,557,212.18 - Step 4: Simplify right side
40,933,734.35x = 1,754,346,353,979,856.25 - Step 5: Solve for x
x = 1,754,346,353,979,856.25/40,933,734.35 - Step 6: Final answer
x = 42,858,204.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.