Finding the Fourth Proportional to 16,280,121.40, 24,384,752.70 and 9,879,209.80
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Solution
The fourth proportional to 16,280,121.40, 24,384,752.70 and 9,879,209.80 is: 14,797,315.20
Step by Step Solution
- Step 1: Write the proportion equation
16,280,121.40 : 24,384,752.70 = 9,879,209.80 : x - Step 2: Convert to fraction form
16,280,121.40/24,384,752.70 = 9,879,209.80/x - Step 3: Cross multiply
16,280,121.40x = 24,384,752.70 × 9,879,209.80 - Step 4: Simplify right side
16,280,121.40x = 240,902,087,844,416.47 - Step 5: Solve for x
x = 240,902,087,844,416.47/16,280,121.40 - Step 6: Final answer
x = 14,797,315.20
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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.