Finding the Fourth Proportional to 51,307,905.01, 70,804,033.80 and 27,786,250.61
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Solution
The fourth proportional to 51,307,905.01, 70,804,033.80 and 27,786,250.61 is: 38,344,551.92
Step by Step Solution
- Step 1: Write the proportion equation
51,307,905.01 : 70,804,033.80 = 27,786,250.61 : x - Step 2: Convert to fraction form
51,307,905.01/70,804,033.80 = 27,786,250.61/x - Step 3: Cross multiply
51,307,905.01x = 70,804,033.80 × 27,786,250.61 - Step 4: Simplify right side
51,307,905.01x = 1,967,378,627,438,522.25 - Step 5: Solve for x
x = 1,967,378,627,438,522.25/51,307,905.01 - Step 6: Final answer
x = 38,344,551.92
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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.