Finding the Fourth Proportional to 7,386,043.56, 10,192,701.18 and 4,289,328.45
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Solution
The fourth proportional to 7,386,043.56, 10,192,701.18 and 4,289,328.45 is: 5,919,250.65
Step by Step Solution
- Step 1: Write the proportion equation
7,386,043.56 : 10,192,701.18 = 4,289,328.45 : x - Step 2: Convert to fraction form
7,386,043.56/10,192,701.18 = 4,289,328.45/x - Step 3: Cross multiply
7,386,043.56x = 10,192,701.18 × 4,289,328.45 - Step 4: Simplify right side
7,386,043.56x = 43,719,843,153,722.57 - Step 5: Solve for x
x = 43,719,843,153,722.57/7,386,043.56 - Step 6: Final answer
x = 5,919,250.65
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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.