Finding the Fourth Proportional to 47,695,009.20, 71,566,133.40 and 27,240,435.60
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Solution
The fourth proportional to 47,695,009.20, 71,566,133.40 and 27,240,435.60 is: 40,874,143.45
Step by Step Solution
- Step 1: Write the proportion equation
47,695,009.20 : 71,566,133.40 = 27,240,435.60 : x - Step 2: Convert to fraction form
47,695,009.20/71,566,133.40 = 27,240,435.60/x - Step 3: Cross multiply
47,695,009.20x = 71,566,133.40 × 27,240,435.60 - Step 4: Simplify right side
47,695,009.20x = 1,949,492,648,023,709.25 - Step 5: Solve for x
x = 1,949,492,648,023,709.25/47,695,009.20 - Step 6: Final answer
x = 40,874,143.45
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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.