Finding the Fourth Proportional to 22,889,216.16, 31,587,092.28 and 12,575,913.84
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Solution
The fourth proportional to 22,889,216.16, 31,587,092.28 and 12,575,913.84 is: 17,354,746.80
Step by Step Solution
- Step 1: Write the proportion equation
22,889,216.16 : 31,587,092.28 = 12,575,913.84 : x - Step 2: Convert to fraction form
22,889,216.16/31,587,092.28 = 12,575,913.84/x - Step 3: Cross multiply
22,889,216.16x = 31,587,092.28 × 12,575,913.84 - Step 4: Simplify right side
22,889,216.16x = 397,236,550,969,409.19 - Step 5: Solve for x
x = 397,236,550,969,409.19/22,889,216.16 - Step 6: Final answer
x = 17,354,746.80
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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.