Finding the Fourth Proportional to 10,908,470.58, 15,053,764.06 and 6,079,885.62
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Solution
The fourth proportional to 10,908,470.58, 15,053,764.06 and 6,079,885.62 is: 8,390,283.77
Step by Step Solution
- Step 1: Write the proportion equation
10,908,470.58 : 15,053,764.06 = 6,079,885.62 : x - Step 2: Convert to fraction form
10,908,470.58/15,053,764.06 = 6,079,885.62/x - Step 3: Cross multiply
10,908,470.58x = 15,053,764.06 × 6,079,885.62 - Step 4: Simplify right side
10,908,470.58x = 91,525,163,635,266.83 - Step 5: Solve for x
x = 91,525,163,635,266.83/10,908,470.58 - Step 6: Final answer
x = 8,390,283.77
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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.