Finding the Fourth Proportional to 19,991,284.91, 29,986,927.37 and 4,845,216.41
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Solution
The fourth proportional to 19,991,284.91, 29,986,927.37 and 4,845,216.41 is: 7,267,824.62
Step by Step Solution
- Step 1: Write the proportion equation
19,991,284.91 : 29,986,927.37 = 4,845,216.41 : x - Step 2: Convert to fraction form
19,991,284.91/29,986,927.37 = 4,845,216.41/x - Step 3: Cross multiply
19,991,284.91x = 29,986,927.37 × 4,845,216.41 - Step 4: Simplify right side
19,991,284.91x = 145,293,152,578,602.16 - Step 5: Solve for x
x = 145,293,152,578,602.16/19,991,284.91 - Step 6: Final answer
x = 7,267,824.62
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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.