Finding the Fourth Proportional to 10,558,644.40, 15,822,220.20 and 8,952,511.60
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Solution
The fourth proportional to 10,558,644.40, 15,822,220.20 and 8,952,511.60 is: 13,415,416.27
Step by Step Solution
- Step 1: Write the proportion equation
10,558,644.40 : 15,822,220.20 = 8,952,511.60 : x - Step 2: Convert to fraction form
10,558,644.40/15,822,220.20 = 8,952,511.60/x - Step 3: Cross multiply
10,558,644.40x = 15,822,220.20 × 8,952,511.60 - Step 4: Simplify right side
10,558,644.40x = 141,648,609,878,254.31 - Step 5: Solve for x
x = 141,648,609,878,254.31/10,558,644.40 - Step 6: Final answer
x = 13,415,416.27
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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.