Finding the Fourth Proportional to 10,338,166.12, 15,507,252.80 and 4,651,747.44
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Solution
The fourth proportional to 10,338,166.12, 15,507,252.80 and 4,651,747.44 is: 6,977,622.79
Step by Step Solution
- Step 1: Write the proportion equation
10,338,166.12 : 15,507,252.80 = 4,651,747.44 : x - Step 2: Convert to fraction form
10,338,166.12/15,507,252.80 = 4,651,747.44/x - Step 3: Cross multiply
10,338,166.12x = 15,507,252.80 × 4,651,747.44 - Step 4: Simplify right side
10,338,166.12x = 72,135,823,513,832.84 - Step 5: Solve for x
x = 72,135,823,513,832.84/10,338,166.12 - Step 6: Final answer
x = 6,977,622.79
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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.