Finding the Fourth Proportional to 10,654,837.06, 15,977,286.99 and 5,535,890.80
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Solution
The fourth proportional to 10,654,837.06, 15,977,286.99 and 5,535,890.80 is: 8,301,254.68
Step by Step Solution
- Step 1: Write the proportion equation
10,654,837.06 : 15,977,286.99 = 5,535,890.80 : x - Step 2: Convert to fraction form
10,654,837.06/15,977,286.99 = 5,535,890.80/x - Step 3: Cross multiply
10,654,837.06x = 15,977,286.99 × 5,535,890.80 - Step 4: Simplify right side
10,654,837.06x = 88,448,516,056,900.69 - Step 5: Solve for x
x = 88,448,516,056,900.69/10,654,837.06 - Step 6: Final answer
x = 8,301,254.68
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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.