Finding the Fourth Proportional to 13,124,399.19, 19,687,544.70 and 5,037,374.85
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Solution
The fourth proportional to 13,124,399.19, 19,687,544.70 and 5,037,374.85 is: 7,556,425.33
Step by Step Solution
- Step 1: Write the proportion equation
13,124,399.19 : 19,687,544.70 = 5,037,374.85 : x - Step 2: Convert to fraction form
13,124,399.19/19,687,544.70 = 5,037,374.85/x - Step 3: Cross multiply
13,124,399.19x = 19,687,544.70 × 5,037,374.85 - Step 4: Simplify right side
13,124,399.19x = 99,173,542,530,030.78 - Step 5: Solve for x
x = 99,173,542,530,030.78/13,124,399.19 - Step 6: Final answer
x = 7,556,425.33
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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.