Finding the Fourth Proportional to 10,963,117.47, 15,125,624.04 and 6,378,553.11
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Solution
The fourth proportional to 10,963,117.47, 15,125,624.04 and 6,378,553.11 is: 8,800,379.68
Step by Step Solution
- Step 1: Write the proportion equation
10,963,117.47 : 15,125,624.04 = 6,378,553.11 : x - Step 2: Convert to fraction form
10,963,117.47/15,125,624.04 = 6,378,553.11/x - Step 3: Cross multiply
10,963,117.47x = 15,125,624.04 × 6,378,553.11 - Step 4: Simplify right side
10,963,117.47x = 96,479,596,261,032.77 - Step 5: Solve for x
x = 96,479,596,261,032.77/10,963,117.47 - Step 6: Final answer
x = 8,800,379.68
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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.