Finding the Fourth Proportional to 10,809,901.24, 14,917,218.19 and 6,461,385.06
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Solution
The fourth proportional to 10,809,901.24, 14,917,218.19 and 6,461,385.06 is: 8,916,445.08
Step by Step Solution
- Step 1: Write the proportion equation
10,809,901.24 : 14,917,218.19 = 6,461,385.06 : x - Step 2: Convert to fraction form
10,809,901.24/14,917,218.19 = 6,461,385.06/x - Step 3: Cross multiply
10,809,901.24x = 14,917,218.19 × 6,461,385.06 - Step 4: Simplify right side
10,809,901.24x = 96,385,890,749,626.23 - Step 5: Solve for x
x = 96,385,890,749,626.23/10,809,901.24 - Step 6: Final answer
x = 8,916,445.08
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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.