Finding the Fourth Proportional to 7,918,565.72, 11,873,508.93 and 2,452,142.99
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Solution
The fourth proportional to 7,918,565.72, 11,873,508.93 and 2,452,142.99 is: 3,676,870.62
Step by Step Solution
- Step 1: Write the proportion equation
7,918,565.72 : 11,873,508.93 = 2,452,142.99 : x - Step 2: Convert to fraction form
7,918,565.72/11,873,508.93 = 2,452,142.99/x - Step 3: Cross multiply
7,918,565.72x = 11,873,508.93 × 2,452,142.99 - Step 4: Simplify right side
7,918,565.72x = 29,115,541,652,297.18 - Step 5: Solve for x
x = 29,115,541,652,297.18/7,918,565.72 - Step 6: Final answer
x = 3,676,870.62
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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.