Finding the Fourth Proportional to 19,858,604.42, 29,788,203.77 and 7,563,246.78
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Solution
The fourth proportional to 19,858,604.42, 29,788,203.77 and 7,563,246.78 is: 11,344,983.34
Step by Step Solution
- Step 1: Write the proportion equation
19,858,604.42 : 29,788,203.77 = 7,563,246.78 : x - Step 2: Convert to fraction form
19,858,604.42/29,788,203.77 = 7,563,246.78/x - Step 3: Cross multiply
19,858,604.42x = 29,788,203.77 × 7,563,246.78 - Step 4: Simplify right side
19,858,604.42x = 225,295,536,207,620.12 - Step 5: Solve for x
x = 225,295,536,207,620.12/19,858,604.42 - Step 6: Final answer
x = 11,344,983.34
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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.