Finding the Fourth Proportional to 11,392,107.69, 15,721,256.27 and 6,235,358.52
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Solution
The fourth proportional to 11,392,107.69, 15,721,256.27 and 6,235,358.52 is: 8,604,875.58
Step by Step Solution
- Step 1: Write the proportion equation
11,392,107.69 : 15,721,256.27 = 6,235,358.52 : x - Step 2: Convert to fraction form
11,392,107.69/15,721,256.27 = 6,235,358.52/x - Step 3: Cross multiply
11,392,107.69x = 15,721,256.27 × 6,235,358.52 - Step 4: Simplify right side
11,392,107.69x = 98,027,669,228,247.91 - Step 5: Solve for x
x = 98,027,669,228,247.91/11,392,107.69 - Step 6: Final answer
x = 8,604,875.58
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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.