Finding the Fourth Proportional to 19,571,295.70, 29,356,943.55 and 15,540,217.30
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Solution
The fourth proportional to 19,571,295.70, 29,356,943.55 and 15,540,217.30 is: 23,310,325.95
Step by Step Solution
- Step 1: Write the proportion equation
19,571,295.70 : 29,356,943.55 = 15,540,217.30 : x - Step 2: Convert to fraction form
19,571,295.70/29,356,943.55 = 15,540,217.30/x - Step 3: Cross multiply
19,571,295.70x = 29,356,943.55 × 15,540,217.30 - Step 4: Simplify right side
19,571,295.70x = 456,213,282,030,833.44 - Step 5: Solve for x
x = 456,213,282,030,833.44/19,571,295.70 - Step 6: Final answer
x = 23,310,325.95
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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.