Finding the Fourth Proportional to 10,381,267.56, 15,560,338.14 and 4,312,617.96
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Solution
The fourth proportional to 10,381,267.56, 15,560,338.14 and 4,312,617.96 is: 6,464,123.32
Step by Step Solution
- Step 1: Write the proportion equation
10,381,267.56 : 15,560,338.14 = 4,312,617.96 : x - Step 2: Convert to fraction form
10,381,267.56/15,560,338.14 = 4,312,617.96/x - Step 3: Cross multiply
10,381,267.56x = 15,560,338.14 × 4,312,617.96 - Step 4: Simplify right side
10,381,267.56x = 67,105,793,726,237 - Step 5: Solve for x
x = 67,105,793,726,237/10,381,267.56 - Step 6: Final answer
x = 6,464,123.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.