Finding the Fourth Proportional to 10,908,551.36, 15,054,313.44 and 6,079,689.92
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Solution
The fourth proportional to 10,908,551.36, 15,054,313.44 and 6,079,689.92 is: 8,390,257.76
Step by Step Solution
- Step 1: Write the proportion equation
10,908,551.36 : 15,054,313.44 = 6,079,689.92 : x - Step 2: Convert to fraction form
10,908,551.36/15,054,313.44 = 6,079,689.92/x - Step 3: Cross multiply
10,908,551.36x = 15,054,313.44 × 6,079,689.92 - Step 4: Simplify right side
10,908,551.36x = 91,525,557,673,688.52 - Step 5: Solve for x
x = 91,525,557,673,688.52/10,908,551.36 - Step 6: Final answer
x = 8,390,257.76
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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.