Finding the Fourth Proportional to 52,171,713.99, 71,995,595.36 and 28,966,244.31
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Solution
The fourth proportional to 52,171,713.99, 71,995,595.36 and 28,966,244.31 is: 39,972,656.53
Step by Step Solution
- Step 1: Write the proportion equation
52,171,713.99 : 71,995,595.36 = 28,966,244.31 : x - Step 2: Convert to fraction form
52,171,713.99/71,995,595.36 = 28,966,244.31/x - Step 3: Cross multiply
52,171,713.99x = 71,995,595.36 × 28,966,244.31 - Step 4: Simplify right side
52,171,713.99x = 2,085,442,003,936,853.25 - Step 5: Solve for x
x = 2,085,442,003,936,853.25/52,171,713.99 - Step 6: Final answer
x = 39,972,656.53
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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.