Finding the Fourth Proportional to 34,665,728.13, 47,838,116.61 and 19,195,480.62
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Solution
The fourth proportional to 34,665,728.13, 47,838,116.61 and 19,195,480.62 is: 26,489,437.55
Step by Step Solution
- Step 1: Write the proportion equation
34,665,728.13 : 47,838,116.61 = 19,195,480.62 : x - Step 2: Convert to fraction form
34,665,728.13/47,838,116.61 = 19,195,480.62/x - Step 3: Cross multiply
34,665,728.13x = 47,838,116.61 × 19,195,480.62 - Step 4: Simplify right side
34,665,728.13x = 918,275,640,284,555.12 - Step 5: Solve for x
x = 918,275,640,284,555.12/34,665,728.13 - Step 6: Final answer
x = 26,489,437.55
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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.