Finding the Fourth Proportional to 33,130,902.17, 45,720,099.05 and 19,382,195.45
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Solution
The fourth proportional to 33,130,902.17, 45,720,099.05 and 19,382,195.45 is: 26,747,110.33
Step by Step Solution
- Step 1: Write the proportion equation
33,130,902.17 : 45,720,099.05 = 19,382,195.45 : x - Step 2: Convert to fraction form
33,130,902.17/45,720,099.05 = 19,382,195.45/x - Step 3: Cross multiply
33,130,902.17x = 45,720,099.05 × 19,382,195.45 - Step 4: Simplify right side
33,130,902.17x = 886,155,895,600,314.38 - Step 5: Solve for x
x = 886,155,895,600,314.38/33,130,902.17 - Step 6: Final answer
x = 26,747,110.33
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1.5x scale
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.