Finding the Fourth Proportional to 9,709,891.80, 14,564,837.70 and 4,041,187.80
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Solution
The fourth proportional to 9,709,891.80, 14,564,837.70 and 4,041,187.80 is: 6,061,781.70
Step by Step Solution
- Step 1: Write the proportion equation
9,709,891.80 : 14,564,837.70 = 4,041,187.80 : x - Step 2: Convert to fraction form
9,709,891.80/14,564,837.70 = 4,041,187.80/x - Step 3: Cross multiply
9,709,891.80x = 14,564,837.70 × 4,041,187.80 - Step 4: Simplify right side
9,709,891.80x = 58,859,244,422,220.05 - Step 5: Solve for x
x = 58,859,244,422,220.05/9,709,891.80 - Step 6: Final answer
x = 6,061,781.70
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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.