Finding the Fourth Proportional to 11,237,658.40, 16,853,377.20 and 4,506,752.80
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Solution
The fourth proportional to 11,237,658.40, 16,853,377.20 and 4,506,752.80 is: 6,758,881.80
Step by Step Solution
- Step 1: Write the proportion equation
11,237,658.40 : 16,853,377.20 = 4,506,752.80 : x - Step 2: Convert to fraction form
11,237,658.40/16,853,377.20 = 4,506,752.80/x - Step 3: Cross multiply
11,237,658.40x = 16,853,377.20 × 4,506,752.80 - Step 4: Simplify right side
11,237,658.40x = 75,954,004,885,556.16 - Step 5: Solve for x
x = 75,954,004,885,556.16/11,237,658.40 - Step 6: Final answer
x = 6,758,881.80
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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.