Finding the Fourth Proportional to 9,519,438.30, 13,136,747.67 and 5,168,438.70
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Solution
The fourth proportional to 9,519,438.30, 13,136,747.67 and 5,168,438.70 is: 7,132,403.50
Step by Step Solution
- Step 1: Write the proportion equation
9,519,438.30 : 13,136,747.67 = 5,168,438.70 : x - Step 2: Convert to fraction form
9,519,438.30/13,136,747.67 = 5,168,438.70/x - Step 3: Cross multiply
9,519,438.30x = 13,136,747.67 × 5,168,438.70 - Step 4: Simplify right side
9,519,438.30x = 67,896,475,049,762.83 - Step 5: Solve for x
x = 67,896,475,049,762.83/9,519,438.30 - Step 6: Final answer
x = 7,132,403.50
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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.