Finding the Fourth Proportional to 34,590,305.64, 47,734,717.99 and 18,909,519.61
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Solution
The fourth proportional to 34,590,305.64, 47,734,717.99 and 18,909,519.61 is: 26,095,189.66
Step by Step Solution
- Step 1: Write the proportion equation
34,590,305.64 : 47,734,717.99 = 18,909,519.61 : x - Step 2: Convert to fraction form
34,590,305.64/47,734,717.99 = 18,909,519.61/x - Step 3: Cross multiply
34,590,305.64x = 47,734,717.99 × 18,909,519.61 - Step 4: Simplify right side
34,590,305.64x = 902,640,585,828,191.88 - Step 5: Solve for x
x = 902,640,585,828,191.88/34,590,305.64 - Step 6: Final answer
x = 26,095,189.66
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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.