Finding the Fourth Proportional to 35,131,495.56, 48,486,555.42 and 20,243,923.08
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Solution
The fourth proportional to 35,131,495.56, 48,486,555.42 and 20,243,923.08 is: 27,939,547.77
Step by Step Solution
- Step 1: Write the proportion equation
35,131,495.56 : 48,486,555.42 = 20,243,923.08 : x - Step 2: Convert to fraction form
35,131,495.56/48,486,555.42 = 20,243,923.08/x - Step 3: Cross multiply
35,131,495.56x = 48,486,555.42 × 20,243,923.08 - Step 4: Simplify right side
35,131,495.56x = 981,558,098,336,637 - Step 5: Solve for x
x = 981,558,098,336,637/35,131,495.56 - Step 6: Final answer
x = 27,939,547.77
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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.