Finding the Fourth Proportional to 18,750,800.47, 28,127,299.09 and 7,236,328.09
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Solution
The fourth proportional to 18,750,800.47, 28,127,299.09 and 7,236,328.09 is: 10,854,916.02
Step by Step Solution
- Step 1: Write the proportion equation
18,750,800.47 : 28,127,299.09 = 7,236,328.09 : x - Step 2: Convert to fraction form
18,750,800.47/28,127,299.09 = 7,236,328.09/x - Step 3: Cross multiply
18,750,800.47x = 28,127,299.09 × 7,236,328.09 - Step 4: Simplify right side
18,750,800.47x = 203,538,364,500,798.44 - Step 5: Solve for x
x = 203,538,364,500,798.44/18,750,800.47 - Step 6: Final answer
x = 10,854,916.02
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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.