Finding the Fourth Proportional to 7,112,330.47, 10,657,719.19 and 4,707,559.95
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Solution
The fourth proportional to 7,112,330.47, 10,657,719.19 and 4,707,559.95 is: 7,054,207.09
Step by Step Solution
- Step 1: Write the proportion equation
7,112,330.47 : 10,657,719.19 = 4,707,559.95 : x - Step 2: Convert to fraction form
7,112,330.47/10,657,719.19 = 4,707,559.95/x - Step 3: Cross multiply
7,112,330.47x = 10,657,719.19 × 4,707,559.95 - Step 4: Simplify right side
7,112,330.47x = 50,171,852,017,190.44 - Step 5: Solve for x
x = 50,171,852,017,190.44/7,112,330.47 - Step 6: Final answer
x = 7,054,207.09
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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.