Finding the Fourth Proportional to 39,112,231.80, 58,675,346.10 and 16,395,425.40
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Solution
The fourth proportional to 39,112,231.80, 58,675,346.10 and 16,395,425.40 is: 24,596,071.75
Step by Step Solution
- Step 1: Write the proportion equation
39,112,231.80 : 58,675,346.10 = 16,395,425.40 : x - Step 2: Convert to fraction form
39,112,231.80/58,675,346.10 = 16,395,425.40/x - Step 3: Cross multiply
39,112,231.80x = 58,675,346.10 × 16,395,425.40 - Step 4: Simplify right side
39,112,231.80x = 962,007,259,801,731 - Step 5: Solve for x
x = 962,007,259,801,731/39,112,231.80 - Step 6: Final answer
x = 24,596,071.75
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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.