Finding the Fourth Proportional to 38,304,177.80, 57,456,266.70 and 18,148,785.80
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Solution
The fourth proportional to 38,304,177.80, 57,456,266.70 and 18,148,785.80 is: 27,223,178.70
Step by Step Solution
- Step 1: Write the proportion equation
38,304,177.80 : 57,456,266.70 = 18,148,785.80 : x - Step 2: Convert to fraction form
38,304,177.80/57,456,266.70 = 18,148,785.80/x - Step 3: Cross multiply
38,304,177.80x = 57,456,266.70 × 18,148,785.80 - Step 4: Simplify right side
38,304,177.80x = 1,042,761,477,205,973 - Step 5: Solve for x
x = 1,042,761,477,205,973/38,304,177.80 - Step 6: Final answer
x = 27,223,178.70
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1.5x scale
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.