Finding the Fourth Proportional to 10,203,914.21, 14,081,401.11 and 5,620,235.81
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Solution
The fourth proportional to 10,203,914.21, 14,081,401.11 and 5,620,235.81 is: 7,755,925.14
Step by Step Solution
- Step 1: Write the proportion equation
10,203,914.21 : 14,081,401.11 = 5,620,235.81 : x - Step 2: Convert to fraction form
10,203,914.21/14,081,401.11 = 5,620,235.81/x - Step 3: Cross multiply
10,203,914.21x = 14,081,401.11 × 5,620,235.81 - Step 4: Simplify right side
10,203,914.21x = 79,140,794,773,395.73 - Step 5: Solve for x
x = 79,140,794,773,395.73/10,203,914.21 - Step 6: Final answer
x = 7,755,925.14
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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.