Finding the Fourth Proportional to 12,896,751.36, 17,797,515.84 and 7,095,408.96
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Solution
The fourth proportional to 12,896,751.36, 17,797,515.84 and 7,095,408.96 is: 9,791,663.79
Step by Step Solution
- Step 1: Write the proportion equation
12,896,751.36 : 17,797,515.84 = 7,095,408.96 : x - Step 2: Convert to fraction form
12,896,751.36/17,797,515.84 = 7,095,408.96/x - Step 3: Cross multiply
12,896,751.36x = 17,797,515.84 × 7,095,408.96 - Step 4: Simplify right side
12,896,751.36x = 126,280,653,356,877.92 - Step 5: Solve for x
x = 126,280,653,356,877.92/12,896,751.36 - Step 6: Final answer
x = 9,791,663.79
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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.