Finding the Fourth Proportional to 7,127,916.96, 10,697,189.52 and 2,868,121.44
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Solution
The fourth proportional to 7,127,916.96, 10,697,189.52 and 2,868,121.44 is: 4,304,320.43
Step by Step Solution
- Step 1: Write the proportion equation
7,127,916.96 : 10,697,189.52 = 2,868,121.44 : x - Step 2: Convert to fraction form
7,127,916.96/10,697,189.52 = 2,868,121.44/x - Step 3: Cross multiply
7,127,916.96x = 10,697,189.52 × 2,868,121.44 - Step 4: Simplify right side
7,127,916.96x = 30,680,838,610,055.31 - Step 5: Solve for x
x = 30,680,838,610,055.31/7,127,916.96 - Step 6: Final answer
x = 4,304,320.43
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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.