Finding the Fourth Proportional to 7,884,635.10, 10,880,776.35 and 4,399,936.98
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Solution
The fourth proportional to 7,884,635.10, 10,880,776.35 and 4,399,936.98 is: 6,071,901.82
Step by Step Solution
- Step 1: Write the proportion equation
7,884,635.10 : 10,880,776.35 = 4,399,936.98 : x - Step 2: Convert to fraction form
7,884,635.10/10,880,776.35 = 4,399,936.98/x - Step 3: Cross multiply
7,884,635.10x = 10,880,776.35 × 4,399,936.98 - Step 4: Simplify right side
7,884,635.10x = 47,874,730,233,474.43 - Step 5: Solve for x
x = 47,874,730,233,474.43/7,884,635.10 - Step 6: Final answer
x = 6,071,901.82
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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.