Finding the Fourth Proportional to 11,470,134.30, 15,828,789.76 and 6,313,458.94
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Solution
The fourth proportional to 11,470,134.30, 15,828,789.76 and 6,313,458.94 is: 8,712,575.77
Step by Step Solution
- Step 1: Write the proportion equation
11,470,134.30 : 15,828,789.76 = 6,313,458.94 : x - Step 2: Convert to fraction form
11,470,134.30/15,828,789.76 = 6,313,458.94/x - Step 3: Cross multiply
11,470,134.30x = 15,828,789.76 × 6,313,458.94 - Step 4: Simplify right side
11,470,134.30x = 99,934,414,164,296.83 - Step 5: Solve for x
x = 99,934,414,164,296.83/11,470,134.30 - Step 6: Final answer
x = 8,712,575.77
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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.