Finding the Fourth Proportional to 12,587,878.20, 17,370,767.34 and 7,432,899.96
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Solution
The fourth proportional to 12,587,878.20, 17,370,767.34 and 7,432,899.96 is: 10,257,104.00
Step by Step Solution
- Step 1: Write the proportion equation
12,587,878.20 : 17,370,767.34 = 7,432,899.96 : x - Step 2: Convert to fraction form
12,587,878.20/17,370,767.34 = 7,432,899.96/x - Step 3: Cross multiply
12,587,878.20x = 17,370,767.34 × 7,432,899.96 - Step 4: Simplify right side
12,587,878.20x = 129,115,175,866,655.30 - Step 5: Solve for x
x = 129,115,175,866,655.30/12,587,878.20 - Step 6: Final answer
x = 10,257,104.00
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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.