Finding the Fourth Proportional to 10,361,873.36, 14,299,478.28 and 5,715,836.24
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Solution
The fourth proportional to 10,361,873.36, 14,299,478.28 and 5,715,836.24 is: 7,887,905.34
Step by Step Solution
- Step 1: Write the proportion equation
10,361,873.36 : 14,299,478.28 = 5,715,836.24 : x - Step 2: Convert to fraction form
10,361,873.36/14,299,478.28 = 5,715,836.24/x - Step 3: Cross multiply
10,361,873.36x = 14,299,478.28 × 5,715,836.24 - Step 4: Simplify right side
10,361,873.36x = 81,733,476,165,916.86 - Step 5: Solve for x
x = 81,733,476,165,916.86/10,361,873.36 - Step 6: Final answer
x = 7,887,905.34
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1.5x scale
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.