Finding the Fourth Proportional to 14,241,856.10, 19,653,652.79 and 7,715,438.87
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Solution
The fourth proportional to 14,241,856.10, 19,653,652.79 and 7,715,438.87 is: 10,647,246.79
Step by Step Solution
- Step 1: Write the proportion equation
14,241,856.10 : 19,653,652.79 = 7,715,438.87 : x - Step 2: Convert to fraction form
14,241,856.10/19,653,652.79 = 7,715,438.87/x - Step 3: Cross multiply
14,241,856.10x = 19,653,652.79 × 7,715,438.87 - Step 4: Simplify right side
14,241,856.10x = 151,636,556,634,872.75 - Step 5: Solve for x
x = 151,636,556,634,872.75/14,241,856.10 - Step 6: Final answer
x = 10,647,246.79
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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.