Finding the Fourth Proportional to 36,306,008.10, 54,459,012.15 and 19,257,905.70
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Solution
The fourth proportional to 36,306,008.10, 54,459,012.15 and 19,257,905.70 is: 28,886,858.55
Step by Step Solution
- Step 1: Write the proportion equation
36,306,008.10 : 54,459,012.15 = 19,257,905.70 : x - Step 2: Convert to fraction form
36,306,008.10/54,459,012.15 = 19,257,905.70/x - Step 3: Cross multiply
36,306,008.10x = 54,459,012.15 × 19,257,905.70 - Step 4: Simplify right side
36,306,008.10x = 1,048,766,520,499,854.12 - Step 5: Solve for x
x = 1,048,766,520,499,854.12/36,306,008.10 - Step 6: Final answer
x = 28,886,858.55
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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.