Finding the Fourth Proportional to 22,046,869.28, 30,427,195.92 and 12,258,284.96
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Solution
The fourth proportional to 22,046,869.28, 30,427,195.92 and 12,258,284.96 is: 16,917,832.34
Step by Step Solution
- Step 1: Write the proportion equation
22,046,869.28 : 30,427,195.92 = 12,258,284.96 : x - Step 2: Convert to fraction form
22,046,869.28/30,427,195.92 = 12,258,284.96/x - Step 3: Cross multiply
22,046,869.28x = 30,427,195.92 × 12,258,284.96 - Step 4: Simplify right side
22,046,869.28x = 372,985,238,121,109.44 - Step 5: Solve for x
x = 372,985,238,121,109.44/22,046,869.28 - Step 6: Final answer
x = 16,917,832.34
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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.