Finding the Fourth Proportional to 48,901,921.20, 73,306,225.80 and 18,188,276.40
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Solution
The fourth proportional to 48,901,921.20, 73,306,225.80 and 18,188,276.40 is: 27,265,061.66
Step by Step Solution
- Step 1: Write the proportion equation
48,901,921.20 : 73,306,225.80 = 18,188,276.40 : x - Step 2: Convert to fraction form
48,901,921.20/73,306,225.80 = 18,188,276.40/x - Step 3: Cross multiply
48,901,921.20x = 73,306,225.80 × 18,188,276.40 - Step 4: Simplify right side
48,901,921.20x = 1,333,313,896,691,211 - Step 5: Solve for x
x = 1,333,313,896,691,211/48,901,921.20 - Step 6: Final answer
x = 27,265,061.66
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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.