Finding the Fourth Proportional to 11,312,640.24, 16,970,648.76 and 5,247,985.02
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Solution
The fourth proportional to 11,312,640.24, 16,970,648.76 and 5,247,985.02 is: 7,872,760.79
Step by Step Solution
- Step 1: Write the proportion equation
11,312,640.24 : 16,970,648.76 = 5,247,985.02 : x - Step 2: Convert to fraction form
11,312,640.24/16,970,648.76 = 5,247,985.02/x - Step 3: Cross multiply
11,312,640.24x = 16,970,648.76 × 5,247,985.02 - Step 4: Simplify right side
11,312,640.24x = 89,061,710,472,161.58 - Step 5: Solve for x
x = 89,061,710,472,161.58/11,312,640.24 - Step 6: Final answer
x = 7,872,760.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.