Finding the Fourth Proportional to 11,507,911.12, 17,264,140.68 and 4,221,438.52
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Solution
The fourth proportional to 11,507,911.12, 17,264,140.68 and 4,221,438.52 is: 6,332,991.95
Step by Step Solution
- Step 1: Write the proportion equation
11,507,911.12 : 17,264,140.68 = 4,221,438.52 : x - Step 2: Convert to fraction form
11,507,911.12/17,264,140.68 = 4,221,438.52/x - Step 3: Cross multiply
11,507,911.12x = 17,264,140.68 × 4,221,438.52 - Step 4: Simplify right side
11,507,911.12x = 72,879,508,481,250.98 - Step 5: Solve for x
x = 72,879,508,481,250.98/11,507,911.12 - Step 6: Final answer
x = 6,332,991.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.