Finding the Fourth Proportional to 8,588,005.13, 12,881,712.45 and 2,198,312.84
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Solution
The fourth proportional to 8,588,005.13, 12,881,712.45 and 2,198,312.84 is: 3,297,393.68
Step by Step Solution
- Step 1: Write the proportion equation
8,588,005.13 : 12,881,712.45 = 2,198,312.84 : x - Step 2: Convert to fraction form
8,588,005.13/12,881,712.45 = 2,198,312.84/x - Step 3: Cross multiply
8,588,005.13x = 12,881,712.45 × 2,198,312.84 - Step 4: Simplify right side
8,588,005.13x = 28,318,033,880,022.86 - Step 5: Solve for x
x = 28,318,033,880,022.86/8,588,005.13 - Step 6: Final answer
x = 3,297,393.68
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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.