Finding the Fourth Proportional to 34,642,921.68, 47,801,906.33 and 19,955,719.26
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Solution
The fourth proportional to 34,642,921.68, 47,801,906.33 and 19,955,719.26 is: 27,535,824.82
Step by Step Solution
- Step 1: Write the proportion equation
34,642,921.68 : 47,801,906.33 = 19,955,719.26 : x - Step 2: Convert to fraction form
34,642,921.68/47,801,906.33 = 19,955,719.26/x - Step 3: Cross multiply
34,642,921.68x = 47,801,906.33 × 19,955,719.26 - Step 4: Simplify right side
34,642,921.68x = 953,921,422,714,518.50 - Step 5: Solve for x
x = 953,921,422,714,518.50/34,642,921.68 - Step 6: Final answer
x = 27,535,824.82
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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.