Finding the Fourth Proportional to 10,154,574.09, 15,239,133.66 and 4,322,848.45
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Solution
The fourth proportional to 10,154,574.09, 15,239,133.66 and 4,322,848.45 is: 6,487,368.62
Step by Step Solution
- Step 1: Write the proportion equation
10,154,574.09 : 15,239,133.66 = 4,322,848.45 : x - Step 2: Convert to fraction form
10,154,574.09/15,239,133.66 = 4,322,848.45/x - Step 3: Cross multiply
10,154,574.09x = 15,239,133.66 × 4,322,848.45 - Step 4: Simplify right side
10,154,574.09x = 65,876,465,321,473.83 - Step 5: Solve for x
x = 65,876,465,321,473.83/10,154,574.09 - Step 6: Final answer
x = 6,487,368.62
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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.