Finding the Fourth Proportional to 42,694,370.15, 58,917,527.47 and 23,115,101.99
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Solution
The fourth proportional to 42,694,370.15, 58,917,527.47 and 23,115,101.99 is: 31,898,459.96
Step by Step Solution
- Step 1: Write the proportion equation
42,694,370.15 : 58,917,527.47 = 23,115,101.99 : x - Step 2: Convert to fraction form
42,694,370.15/58,917,527.47 = 23,115,101.99/x - Step 3: Cross multiply
42,694,370.15x = 58,917,527.47 × 23,115,101.99 - Step 4: Simplify right side
42,694,370.15x = 1,361,884,656,643,864.25 - Step 5: Solve for x
x = 1,361,884,656,643,864.25/42,694,370.15 - Step 6: Final answer
x = 31,898,459.96
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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.