Finding the Fourth Proportional to 22,639,444.09, 31,243,201.62 and 12,718,078.99
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Solution
The fourth proportional to 22,639,444.09, 31,243,201.62 and 12,718,078.99 is: 17,551,380.88
Step by Step Solution
- Step 1: Write the proportion equation
22,639,444.09 : 31,243,201.62 = 12,718,078.99 : x - Step 2: Convert to fraction form
22,639,444.09/31,243,201.62 = 12,718,078.99/x - Step 3: Cross multiply
22,639,444.09x = 31,243,201.62 × 12,718,078.99 - Step 4: Simplify right side
22,639,444.09x = 397,353,506,103,656 - Step 5: Solve for x
x = 397,353,506,103,656/22,639,444.09 - Step 6: Final answer
x = 17,551,380.88
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1.5x scale
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.