Finding the Fourth Proportional to 11,911,285.46, 16,437,572.61 and 6,754,646.99
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Solution
The fourth proportional to 11,911,285.46, 16,437,572.61 and 6,754,646.99 is: 9,321,412.09
Step by Step Solution
- Step 1: Write the proportion equation
11,911,285.46 : 16,437,572.61 = 6,754,646.99 : x - Step 2: Convert to fraction form
11,911,285.46/16,437,572.61 = 6,754,646.99/x - Step 3: Cross multiply
11,911,285.46x = 16,437,572.61 × 6,754,646.99 - Step 4: Simplify right side
11,911,285.46x = 111,030,000,270,855.08 - Step 5: Solve for x
x = 111,030,000,270,855.08/11,911,285.46 - Step 6: Final answer
x = 9,321,412.09
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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.