Finding the Fourth Proportional to 10,687,863.62, 14,750,827.71 and 6,767,977.64
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Solution
The fourth proportional to 10,687,863.62, 14,750,827.71 and 6,767,977.64 is: 9,340,807.07
Step by Step Solution
- Step 1: Write the proportion equation
10,687,863.62 : 14,750,827.71 = 6,767,977.64 : x - Step 2: Convert to fraction form
10,687,863.62/14,750,827.71 = 6,767,977.64/x - Step 3: Cross multiply
10,687,863.62x = 14,750,827.71 × 6,767,977.64 - Step 4: Simplify right side
10,687,863.62x = 99,833,272,066,382.92 - Step 5: Solve for x
x = 99,833,272,066,382.92/10,687,863.62 - Step 6: Final answer
x = 9,340,807.07
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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.