Finding the Fourth Proportional to 7,943,342.58, 10,960,935.68 and 4,457,881.94
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Solution
The fourth proportional to 7,943,342.58, 10,960,935.68 and 4,457,881.94 is: 6,151,384.85
Step by Step Solution
- Step 1: Write the proportion equation
7,943,342.58 : 10,960,935.68 = 4,457,881.94 : x - Step 2: Convert to fraction form
7,943,342.58/10,960,935.68 = 4,457,881.94/x - Step 3: Cross multiply
7,943,342.58x = 10,960,935.68 × 4,457,881.94 - Step 4: Simplify right side
7,943,342.58x = 48,862,557,213,373.62 - Step 5: Solve for x
x = 48,862,557,213,373.62/7,943,342.58 - Step 6: Final answer
x = 6,151,384.85
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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.