Finding the Fourth Proportional to 11,074,985.70, 16,612,478.55 and 8,240,633.70
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Solution
The fourth proportional to 11,074,985.70, 16,612,478.55 and 8,240,633.70 is: 12,360,950.55
Step by Step Solution
- Step 1: Write the proportion equation
11,074,985.70 : 16,612,478.55 = 8,240,633.70 : x - Step 2: Convert to fraction form
11,074,985.70/16,612,478.55 = 8,240,633.70/x - Step 3: Cross multiply
11,074,985.70x = 16,612,478.55 × 8,240,633.70 - Step 4: Simplify right side
11,074,985.70x = 136,897,350,579,657.14 - Step 5: Solve for x
x = 136,897,350,579,657.14/11,074,985.70 - Step 6: Final answer
x = 12,360,950.55
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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.