Finding the Fourth Proportional to 51,686,814.24, 71,328,282 and 28,482,771.60
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Solution
The fourth proportional to 51,686,814.24, 71,328,282 and 28,482,771.60 is: 39,306,488.41
Step by Step Solution
- Step 1: Write the proportion equation
51,686,814.24 : 71,328,282 = 28,482,771.60 : x - Step 2: Convert to fraction form
51,686,814.24/71,328,282 = 28,482,771.60/x - Step 3: Cross multiply
51,686,814.24x = 71,328,282 × 28,482,771.60 - Step 4: Simplify right side
51,686,814.24x = 2,031,627,164,826,391.25 - Step 5: Solve for x
x = 2,031,627,164,826,391.25/51,686,814.24 - Step 6: Final answer
x = 39,306,488.41
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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.