Finding the Fourth Proportional to 7,779,675.36, 10,737,357.28 and 4,640,140.24
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Solution
The fourth proportional to 7,779,675.36, 10,737,357.28 and 4,640,140.24 is: 6,404,231.70
Step by Step Solution
- Step 1: Write the proportion equation
7,779,675.36 : 10,737,357.28 = 4,640,140.24 : x - Step 2: Convert to fraction form
7,779,675.36/10,737,357.28 = 4,640,140.24/x - Step 3: Cross multiply
7,779,675.36x = 10,737,357.28 × 4,640,140.24 - Step 4: Simplify right side
7,779,675.36x = 49,822,843,586,184.95 - Step 5: Solve for x
x = 49,822,843,586,184.95/7,779,675.36 - Step 6: Final answer
x = 6,404,231.70
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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.