Finding the Fourth Proportional to 9,711,909.80, 14,569,808.70 and 2,888,469.80
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Solution
The fourth proportional to 9,711,909.80, 14,569,808.70 and 2,888,469.80 is: 4,333,282.88
Step by Step Solution
- Step 1: Write the proportion equation
9,711,909.80 : 14,569,808.70 = 2,888,469.80 : x - Step 2: Convert to fraction form
9,711,909.80/14,569,808.70 = 2,888,469.80/x - Step 3: Cross multiply
9,711,909.80x = 14,569,808.70 × 2,888,469.80 - Step 4: Simplify right side
9,711,909.80x = 42,084,452,421,727.26 - Step 5: Solve for x
x = 42,084,452,421,727.26/9,711,909.80 - Step 6: Final answer
x = 4,333,282.88
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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.