Finding the Fourth Proportional to 19,962,970.32, 29,941,451.99 and 5,584,174.32
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Solution
The fourth proportional to 19,962,970.32, 29,941,451.99 and 5,584,174.32 is: 8,375,421.32
Step by Step Solution
- Step 1: Write the proportion equation
19,962,970.32 : 29,941,451.99 = 5,584,174.32 : x - Step 2: Convert to fraction form
19,962,970.32/29,941,451.99 = 5,584,174.32/x - Step 3: Cross multiply
19,962,970.32x = 29,941,451.99 × 5,584,174.32 - Step 4: Simplify right side
19,962,970.32x = 167,198,287,278,150.03 - Step 5: Solve for x
x = 167,198,287,278,150.03/19,962,970.32 - Step 6: Final answer
x = 8,375,421.32
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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.