Finding the Fourth Proportional to 40,837,519.80, 61,256,279.70 and 15,275,207.70
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Solution
The fourth proportional to 40,837,519.80, 61,256,279.70 and 15,275,207.70 is: 22,912,811.55
Step by Step Solution
- Step 1: Write the proportion equation
40,837,519.80 : 61,256,279.70 = 15,275,207.70 : x - Step 2: Convert to fraction form
40,837,519.80/61,256,279.70 = 15,275,207.70/x - Step 3: Cross multiply
40,837,519.80x = 61,256,279.70 × 15,275,207.70 - Step 4: Simplify right side
40,837,519.80x = 935,702,395,346,793.75 - Step 5: Solve for x
x = 935,702,395,346,793.75/40,837,519.80 - Step 6: Final answer
x = 22,912,811.55
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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.