Finding the Fourth Proportional to 51,896,299.86, 71,618,388.84 and 28,692,924.84
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Solution
The fourth proportional to 51,896,299.86, 71,618,388.84 and 28,692,924.84 is: 39,597,062.87
Step by Step Solution
- Step 1: Write the proportion equation
51,896,299.86 : 71,618,388.84 = 28,692,924.84 : x - Step 2: Convert to fraction form
51,896,299.86/71,618,388.84 = 28,692,924.84/x - Step 3: Cross multiply
51,896,299.86x = 71,618,388.84 × 28,692,924.84 - Step 4: Simplify right side
51,896,299.86x = 2,054,941,048,148,015 - Step 5: Solve for x
x = 2,054,941,048,148,015/51,896,299.86 - Step 6: Final answer
x = 39,597,062.87
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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.