Finding the Fourth Proportional to 8,748,275.80, 13,124,487.30 and 4,489,101.40
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Solution
The fourth proportional to 8,748,275.80, 13,124,487.30 and 4,489,101.40 is: 6,734,716.15
Step by Step Solution
- Step 1: Write the proportion equation
8,748,275.80 : 13,124,487.30 = 4,489,101.40 : x - Step 2: Convert to fraction form
8,748,275.80/13,124,487.30 = 4,489,101.40/x - Step 3: Cross multiply
8,748,275.80x = 13,124,487.30 × 4,489,101.40 - Step 4: Simplify right side
8,748,275.80x = 58,917,154,312,712.23 - Step 5: Solve for x
x = 58,917,154,312,712.23/8,748,275.80 - Step 6: Final answer
x = 6,734,716.15
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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.