Finding the Fourth Proportional to 40,425,921.80, 60,638,882.70 and 16,176,465.80
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Solution
The fourth proportional to 40,425,921.80, 60,638,882.70 and 16,176,465.80 is: 24,264,698.70
Step by Step Solution
- Step 1: Write the proportion equation
40,425,921.80 : 60,638,882.70 = 16,176,465.80 : x - Step 2: Convert to fraction form
40,425,921.80/60,638,882.70 = 16,176,465.80/x - Step 3: Cross multiply
40,425,921.80x = 60,638,882.70 × 16,176,465.80 - Step 4: Simplify right side
40,425,921.80x = 980,922,812,146,761.75 - Step 5: Solve for x
x = 980,922,812,146,761.75/40,425,921.80 - Step 6: Final answer
x = 24,264,698.70
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1.5x scale
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.