Finding the Fourth Proportional to 9,703,206.25, 14,571,282.79 and 6,485,421.90
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Solution
The fourth proportional to 9,703,206.25, 14,571,282.79 and 6,485,421.90 is: 9,739,143.34
Step by Step Solution
- Step 1: Write the proportion equation
9,703,206.25 : 14,571,282.79 = 6,485,421.90 : x - Step 2: Convert to fraction form
9,703,206.25/14,571,282.79 = 6,485,421.90/x - Step 3: Cross multiply
9,703,206.25x = 14,571,282.79 × 6,485,421.90 - Step 4: Simplify right side
9,703,206.25x = 94,500,916,517,359.09 - Step 5: Solve for x
x = 94,500,916,517,359.09/9,703,206.25 - Step 6: Final answer
x = 9,739,143.34
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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.