Finding the Fourth Proportional to 8,747,920.96, 12,058,384.14 and 5,989,838.80
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Solution
The fourth proportional to 8,747,920.96, 12,058,384.14 and 5,989,838.80 is: 8,256,564.90
Step by Step Solution
- Step 1: Write the proportion equation
8,747,920.96 : 12,058,384.14 = 5,989,838.80 : x - Step 2: Convert to fraction form
8,747,920.96/12,058,384.14 = 5,989,838.80/x - Step 3: Cross multiply
8,747,920.96x = 12,058,384.14 × 5,989,838.80 - Step 4: Simplify right side
8,747,920.96x = 72,227,777,187,076.64 - Step 5: Solve for x
x = 72,227,777,187,076.64/8,747,920.96 - Step 6: Final answer
x = 8,256,564.90
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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.