Finding the Fourth Proportional to 19,724,360.06, 27,219,653.76 and 11,022,532.68
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Solution
The fourth proportional to 19,724,360.06, 27,219,653.76 and 11,022,532.68 is: 15,211,115.70
Step by Step Solution
- Step 1: Write the proportion equation
19,724,360.06 : 27,219,653.76 = 11,022,532.68 : x - Step 2: Convert to fraction form
19,724,360.06/27,219,653.76 = 11,022,532.68/x - Step 3: Cross multiply
19,724,360.06x = 27,219,653.76 × 11,022,532.68 - Step 4: Simplify right side
19,724,360.06x = 300,029,523,012,279.44 - Step 5: Solve for x
x = 300,029,523,012,279.44/19,724,360.06 - Step 6: Final answer
x = 15,211,115.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.