Finding the Fourth Proportional to 10,431,092.70, 15,646,639.05 and 3,607,652.70
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Solution
The fourth proportional to 10,431,092.70, 15,646,639.05 and 3,607,652.70 is: 5,411,479.05
Step by Step Solution
- Step 1: Write the proportion equation
10,431,092.70 : 15,646,639.05 = 3,607,652.70 : x - Step 2: Convert to fraction form
10,431,092.70/15,646,639.05 = 3,607,652.70/x - Step 3: Cross multiply
10,431,092.70x = 15,646,639.05 × 3,607,652.70 - Step 4: Simplify right side
10,431,092.70x = 56,447,639,614,657.94 - Step 5: Solve for x
x = 56,447,639,614,657.94/10,431,092.70 - Step 6: Final answer
x = 5,411,479.05
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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.