Finding the Fourth Proportional to 19,422,122.20, 29,133,183.30 and 6,643,043.80
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Solution
The fourth proportional to 19,422,122.20, 29,133,183.30 and 6,643,043.80 is: 9,964,565.70
Step by Step Solution
- Step 1: Write the proportion equation
19,422,122.20 : 29,133,183.30 = 6,643,043.80 : x - Step 2: Convert to fraction form
19,422,122.20/29,133,183.30 = 6,643,043.80/x - Step 3: Cross multiply
19,422,122.20x = 29,133,183.30 × 6,643,043.80 - Step 4: Simplify right side
19,422,122.20x = 193,533,012,695,328.53 - Step 5: Solve for x
x = 193,533,012,695,328.53/19,422,122.20 - Step 6: Final answer
x = 9,964,565.70
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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.