Finding the Fourth Proportional to 10,204,117.36, 14,081,679.29 and 5,620,438.73
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Solution
The fourth proportional to 10,204,117.36, 14,081,679.29 and 5,620,438.73 is: 7,756,203.99
Step by Step Solution
- Step 1: Write the proportion equation
10,204,117.36 : 14,081,679.29 = 5,620,438.73 : x - Step 2: Convert to fraction form
10,204,117.36/14,081,679.29 = 5,620,438.73/x - Step 3: Cross multiply
10,204,117.36x = 14,081,679.29 × 5,620,438.73 - Step 4: Simplify right side
10,204,117.36x = 79,145,215,714,210.20 - Step 5: Solve for x
x = 79,145,215,714,210.20/10,204,117.36 - Step 6: Final answer
x = 7,756,203.99
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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.