Finding the Fourth Proportional to 8,745,548.13, 12,072,726.36 and 5,649,581.07
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Solution
The fourth proportional to 8,745,548.13, 12,072,726.36 and 5,649,581.07 is: 7,798,921.84
Step by Step Solution
- Step 1: Write the proportion equation
8,745,548.13 : 12,072,726.36 = 5,649,581.07 : x - Step 2: Convert to fraction form
8,745,548.13/12,072,726.36 = 5,649,581.07/x - Step 3: Cross multiply
8,745,548.13x = 12,072,726.36 × 5,649,581.07 - Step 4: Simplify right side
8,745,548.13x = 68,205,846,306,746.01 - Step 5: Solve for x
x = 68,205,846,306,746.01/8,745,548.13 - Step 6: Final answer
x = 7,798,921.84
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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.