Finding the Fourth Proportional to 11,350,811.52, 15,664,590.27 and 6,456,895.74
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Solution
The fourth proportional to 11,350,811.52, 15,664,590.27 and 6,456,895.74 is: 8,910,783.69
Step by Step Solution
- Step 1: Write the proportion equation
11,350,811.52 : 15,664,590.27 = 6,456,895.74 : x - Step 2: Convert to fraction form
11,350,811.52/15,664,590.27 = 6,456,895.74/x - Step 3: Cross multiply
11,350,811.52x = 15,664,590.27 × 6,456,895.74 - Step 4: Simplify right side
11,350,811.52x = 101,144,626,183,208.45 - Step 5: Solve for x
x = 101,144,626,183,208.45/11,350,811.52 - Step 6: Final answer
x = 8,910,783.69
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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.