Finding the Fourth Proportional to 22,385,398.68, 33,524,288.51 and 12,771,630.99
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Solution
The fourth proportional to 22,385,398.68, 33,524,288.51 and 12,771,630.99 is: 19,126,746.33
Step by Step Solution
- Step 1: Write the proportion equation
22,385,398.68 : 33,524,288.51 = 12,771,630.99 : x - Step 2: Convert to fraction form
22,385,398.68/33,524,288.51 = 12,771,630.99/x - Step 3: Cross multiply
22,385,398.68x = 33,524,288.51 × 12,771,630.99 - Step 4: Simplify right side
22,385,398.68x = 428,159,841,988,158.75 - Step 5: Solve for x
x = 428,159,841,988,158.75/22,385,398.68 - Step 6: Final answer
x = 19,126,746.33
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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.