Finding the Fourth Proportional to 18,641,457.15, 27,963,182.16 and 5,862,958.29
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Solution
The fourth proportional to 18,641,457.15, 27,963,182.16 and 5,862,958.29 is: 8,794,750.83
Step by Step Solution
- Step 1: Write the proportion equation
18,641,457.15 : 27,963,182.16 = 5,862,958.29 : x - Step 2: Convert to fraction form
18,641,457.15/27,963,182.16 = 5,862,958.29/x - Step 3: Cross multiply
18,641,457.15x = 27,963,182.16 × 5,862,958.29 - Step 4: Simplify right side
18,641,457.15x = 163,946,970,659,752.09 - Step 5: Solve for x
x = 163,946,970,659,752.09/18,641,457.15 - Step 6: Final answer
x = 8,794,750.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.