Finding the Fourth Proportional to 7,880,695.84, 10,871,224.96 and 6,412,244.08
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Solution
The fourth proportional to 7,880,695.84, 10,871,224.96 and 6,412,244.08 is: 8,845,532.08
Step by Step Solution
- Step 1: Write the proportion equation
7,880,695.84 : 10,871,224.96 = 6,412,244.08 : x - Step 2: Convert to fraction form
7,880,695.84/10,871,224.96 = 6,412,244.08/x - Step 3: Cross multiply
7,880,695.84x = 10,871,224.96 × 6,412,244.08 - Step 4: Simplify right side
7,880,695.84x = 69,708,947,892,108.24 - Step 5: Solve for x
x = 69,708,947,892,108.24/7,880,695.84 - Step 6: Final answer
x = 8,845,532.08
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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.