Finding the Fourth Proportional to 10,781,520.98, 16,175,523.11 and 6,468,319.58
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Solution
The fourth proportional to 10,781,520.98, 16,175,523.11 and 6,468,319.58 is: 9,704,424.17
Step by Step Solution
- Step 1: Write the proportion equation
10,781,520.98 : 16,175,523.11 = 6,468,319.58 : x - Step 2: Convert to fraction form
10,781,520.98/16,175,523.11 = 6,468,319.58/x - Step 3: Cross multiply
10,781,520.98x = 16,175,523.11 × 6,468,319.58 - Step 4: Simplify right side
10,781,520.98x = 104,628,452,735,936.28 - Step 5: Solve for x
x = 104,628,452,735,936.28/10,781,520.98 - Step 6: Final answer
x = 9,704,424.17
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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.