Finding the Fourth Proportional to 34,628,199.80, 47,782,715.02 and 19,948,618.40
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Solution
The fourth proportional to 34,628,199.80, 47,782,715.02 and 19,948,618.40 is: 27,526,673.45
Step by Step Solution
- Step 1: Write the proportion equation
34,628,199.80 : 47,782,715.02 = 19,948,618.40 : x - Step 2: Convert to fraction form
34,628,199.80/47,782,715.02 = 19,948,618.40/x - Step 3: Cross multiply
34,628,199.80x = 47,782,715.02 × 19,948,618.40 - Step 4: Simplify right side
34,628,199.80x = 953,199,148,049,928.38 - Step 5: Solve for x
x = 953,199,148,049,928.38/34,628,199.80 - Step 6: Final answer
x = 27,526,673.45
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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.