Finding the Fourth Proportional to 10,948,573.09, 15,108,381.68 and 6,053,410.99
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Solution
The fourth proportional to 10,948,573.09, 15,108,381.68 and 6,053,410.99 is: 8,353,348.23
Step by Step Solution
- Step 1: Write the proportion equation
10,948,573.09 : 15,108,381.68 = 6,053,410.99 : x - Step 2: Convert to fraction form
10,948,573.09/15,108,381.68 = 6,053,410.99/x - Step 3: Cross multiply
10,948,573.09x = 15,108,381.68 × 6,053,410.99 - Step 4: Simplify right side
10,948,573.09x = 91,457,243,640,510.86 - Step 5: Solve for x
x = 91,457,243,640,510.86/10,948,573.09 - Step 6: Final answer
x = 8,353,348.23
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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.