Finding the Fourth Proportional to 10,763,979.34, 14,857,890.99 and 6,414,429.58
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Solution
The fourth proportional to 10,763,979.34, 14,857,890.99 and 6,414,429.58 is: 8,854,057.82
Step by Step Solution
- Step 1: Write the proportion equation
10,763,979.34 : 14,857,890.99 = 6,414,429.58 : x - Step 2: Convert to fraction form
10,763,979.34/14,857,890.99 = 6,414,429.58/x - Step 3: Cross multiply
10,763,979.34x = 14,857,890.99 × 6,414,429.58 - Step 4: Simplify right side
10,763,979.34x = 95,304,895,462,671.48 - Step 5: Solve for x
x = 95,304,895,462,671.48/10,763,979.34 - Step 6: Final answer
x = 8,854,057.82
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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.