Finding the Fourth Proportional to 25,782,130.08, 38,672,633.31 and 12,127,707.99
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Solution
The fourth proportional to 25,782,130.08, 38,672,633.31 and 12,127,707.99 is: 18,191,297.71
Step by Step Solution
- Step 1: Write the proportion equation
25,782,130.08 : 38,672,633.31 = 12,127,707.99 : x - Step 2: Convert to fraction form
25,782,130.08/38,672,633.31 = 12,127,707.99/x - Step 3: Cross multiply
25,782,130.08x = 38,672,633.31 × 12,127,707.99 - Step 4: Simplify right side
25,782,130.08x = 469,010,403,988,027.19 - Step 5: Solve for x
x = 469,010,403,988,027.19/25,782,130.08 - Step 6: Final answer
x = 18,191,297.71
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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.