Finding the Fourth Proportional to 18,803,722.50, 28,207,657.35 and 6,021,222.66
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Solution
The fourth proportional to 18,803,722.50, 28,207,657.35 and 6,021,222.66 is: 9,032,497.99
Step by Step Solution
- Step 1: Write the proportion equation
18,803,722.50 : 28,207,657.35 = 6,021,222.66 : x - Step 2: Convert to fraction form
18,803,722.50/28,207,657.35 = 6,021,222.66/x - Step 3: Cross multiply
18,803,722.50x = 28,207,657.35 × 6,021,222.66 - Step 4: Simplify right side
18,803,722.50x = 169,844,585,621,335.56 - Step 5: Solve for x
x = 169,844,585,621,335.56/18,803,722.50 - Step 6: Final answer
x = 9,032,497.99
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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.