Finding the Fourth Proportional to 7,881,364.70, 11,822,047.05 and 3,087,460.70
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Solution
The fourth proportional to 7,881,364.70, 11,822,047.05 and 3,087,460.70 is: 4,631,191.05
Step by Step Solution
- Step 1: Write the proportion equation
7,881,364.70 : 11,822,047.05 = 3,087,460.70 : x - Step 2: Convert to fraction form
7,881,364.70/11,822,047.05 = 3,087,460.70/x - Step 3: Cross multiply
7,881,364.70x = 11,822,047.05 × 3,087,460.70 - Step 4: Simplify right side
7,881,364.70x = 36,500,105,660,425.94 - Step 5: Solve for x
x = 36,500,105,660,425.94/7,881,364.70 - Step 6: Final answer
x = 4,631,191.05
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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.