Finding the Fourth Proportional to 11,470,562.92, 15,829,256.74 and 6,313,813.80
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Solution
The fourth proportional to 11,470,562.92, 15,829,256.74 and 6,313,813.80 is: 8,712,996.94
Step by Step Solution
- Step 1: Write the proportion equation
11,470,562.92 : 15,829,256.74 = 6,313,813.80 : x - Step 2: Convert to fraction form
11,470,562.92/15,829,256.74 = 6,313,813.80/x - Step 3: Cross multiply
11,470,562.92x = 15,829,256.74 × 6,313,813.80 - Step 4: Simplify right side
11,470,562.92x = 99,942,979,648,755.02 - Step 5: Solve for x
x = 99,942,979,648,755.02/11,470,562.92 - Step 6: Final answer
x = 8,712,996.94
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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.