Finding the Fourth Proportional to 14,862,489.54, 20,508,595.65 and 8,334,775.68
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Solution
The fourth proportional to 14,862,489.54, 20,508,595.65 and 8,334,775.68 is: 11,501,070.79
Step by Step Solution
- Step 1: Write the proportion equation
14,862,489.54 : 20,508,595.65 = 8,334,775.68 : x - Step 2: Convert to fraction form
14,862,489.54/20,508,595.65 = 8,334,775.68/x - Step 3: Cross multiply
14,862,489.54x = 20,508,595.65 × 8,334,775.68 - Step 4: Simplify right side
14,862,489.54x = 170,934,544,254,573.78 - Step 5: Solve for x
x = 170,934,544,254,573.78/14,862,489.54 - Step 6: Final answer
x = 11,501,070.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.