Finding the Fourth Proportional to 11,778,974.20, 17,669,627.70 and 4,101,437.80
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Solution
The fourth proportional to 11,778,974.20, 17,669,627.70 and 4,101,437.80 is: 6,152,562.84
Step by Step Solution
- Step 1: Write the proportion equation
11,778,974.20 : 17,669,627.70 = 4,101,437.80 : x - Step 2: Convert to fraction form
11,778,974.20/17,669,627.70 = 4,101,437.80/x - Step 3: Cross multiply
11,778,974.20x = 17,669,627.70 × 4,101,437.80 - Step 4: Simplify right side
11,778,974.20x = 72,470,878,960,707.05 - Step 5: Solve for x
x = 72,470,878,960,707.05/11,778,974.20 - Step 6: Final answer
x = 6,152,562.84
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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.