Finding the Fourth Proportional to 11,340,531.20, 16,999,910.40 and 3,763,596.80
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Solution
The fourth proportional to 11,340,531.20, 16,999,910.40 and 3,763,596.80 is: 5,641,782.32
Step by Step Solution
- Step 1: Write the proportion equation
11,340,531.20 : 16,999,910.40 = 3,763,596.80 : x - Step 2: Convert to fraction form
11,340,531.20/16,999,910.40 = 3,763,596.80/x - Step 3: Cross multiply
11,340,531.20x = 16,999,910.40 × 3,763,596.80 - Step 4: Simplify right side
11,340,531.20x = 63,980,808,381,726.71 - Step 5: Solve for x
x = 63,980,808,381,726.71/11,340,531.20 - Step 6: Final answer
x = 5,641,782.32
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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.