Finding the Fourth Proportional to 34,362,739.08, 47,417,775.03 and 20,231,694.95
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Solution
The fourth proportional to 34,362,739.08, 47,417,775.03 and 20,231,694.95 is: 27,918,087.59
Step by Step Solution
- Step 1: Write the proportion equation
34,362,739.08 : 47,417,775.03 = 20,231,694.95 : x - Step 2: Convert to fraction form
34,362,739.08/47,417,775.03 = 20,231,694.95/x - Step 3: Cross multiply
34,362,739.08x = 47,417,775.03 × 20,231,694.95 - Step 4: Simplify right side
34,362,739.08x = 959,341,959,377,598.25 - Step 5: Solve for x
x = 959,341,959,377,598.25/34,362,739.08 - Step 6: Final answer
x = 27,918,087.59
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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.