Finding the Fourth Proportional to 11,509,117.71, 15,880,211.51 and 6,613,393.95
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Solution
The fourth proportional to 11,509,117.71, 15,880,211.51 and 6,613,393.95 is: 9,125,121.26
Step by Step Solution
- Step 1: Write the proportion equation
11,509,117.71 : 15,880,211.51 = 6,613,393.95 : x - Step 2: Convert to fraction form
11,509,117.71/15,880,211.51 = 6,613,393.95/x - Step 3: Cross multiply
11,509,117.71x = 15,880,211.51 × 6,613,393.95 - Step 4: Simplify right side
11,509,117.71x = 105,022,094,731,587.92 - Step 5: Solve for x
x = 105,022,094,731,587.92/11,509,117.71 - Step 6: Final answer
x = 9,125,121.26
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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.