Finding the Fourth Proportional to 51,795,221.68, 71,477,395.14 and 28,590,342.49
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Solution
The fourth proportional to 51,795,221.68, 71,477,395.14 and 28,590,342.49 is: 39,454,666.69
Step by Step Solution
- Step 1: Write the proportion equation
51,795,221.68 : 71,477,395.14 = 28,590,342.49 : x - Step 2: Convert to fraction form
51,795,221.68/71,477,395.14 = 28,590,342.49/x - Step 3: Cross multiply
51,795,221.68x = 71,477,395.14 × 28,590,342.49 - Step 4: Simplify right side
51,795,221.68x = 2,043,563,207,345,661.50 - Step 5: Solve for x
x = 2,043,563,207,345,661.50/51,795,221.68 - Step 6: Final answer
x = 39,454,666.69
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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.