Finding the Fourth Proportional to 47,856,407.36, 66,039,344.16 and 26,122,176.32
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Solution
The fourth proportional to 47,856,407.36, 66,039,344.16 and 26,122,176.32 is: 36,047,239.80
Step by Step Solution
- Step 1: Write the proportion equation
47,856,407.36 : 66,039,344.16 = 26,122,176.32 : x - Step 2: Convert to fraction form
47,856,407.36/66,039,344.16 = 26,122,176.32/x - Step 3: Cross multiply
47,856,407.36x = 66,039,344.16 × 26,122,176.32 - Step 4: Simplify right side
47,856,407.36x = 1,725,091,392,204,682.25 - Step 5: Solve for x
x = 1,725,091,392,204,682.25/47,856,407.36 - Step 6: Final answer
x = 36,047,239.80
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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.