Finding the Fourth Proportional to 39,132,854.23, 53,991,228.57 and 22,606,948.99
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Solution
The fourth proportional to 39,132,854.23, 53,991,228.57 and 22,606,948.99 is: 31,190,593.54
Step by Step Solution
- Step 1: Write the proportion equation
39,132,854.23 : 53,991,228.57 = 22,606,948.99 : x - Step 2: Convert to fraction form
39,132,854.23/53,991,228.57 = 22,606,948.99/x - Step 3: Cross multiply
39,132,854.23x = 53,991,228.57 × 22,606,948.99 - Step 4: Simplify right side
39,132,854.23x = 1,220,576,950,189,420.50 - Step 5: Solve for x
x = 1,220,576,950,189,420.50/39,132,854.23 - Step 6: Final answer
x = 31,190,593.54
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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.