Finding the Fourth Proportional to 15,221,496.92, 22,836,055.61 and 4,438,798.99
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Solution
The fourth proportional to 15,221,496.92, 22,836,055.61 and 4,438,798.99 is: 6,659,309.60
Step by Step Solution
- Step 1: Write the proportion equation
15,221,496.92 : 22,836,055.61 = 4,438,798.99 : x - Step 2: Convert to fraction form
15,221,496.92/22,836,055.61 = 4,438,798.99/x - Step 3: Cross multiply
15,221,496.92x = 22,836,055.61 × 4,438,798.99 - Step 4: Simplify right side
15,221,496.92x = 101,364,660,531,258.69 - Step 5: Solve for x
x = 101,364,660,531,258.69/15,221,496.92 - Step 6: Final answer
x = 6,659,309.60
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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.