Finding the Fourth Proportional to 40,664,647.32, 56,115,639.37 and 22,079,362.08
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Solution
The fourth proportional to 40,664,647.32, 56,115,639.37 and 22,079,362.08 is: 30,468,665.09
Step by Step Solution
- Step 1: Write the proportion equation
40,664,647.32 : 56,115,639.37 = 22,079,362.08 : x - Step 2: Convert to fraction form
40,664,647.32/56,115,639.37 = 22,079,362.08/x - Step 3: Cross multiply
40,664,647.32x = 56,115,639.37 × 22,079,362.08 - Step 4: Simplify right side
40,664,647.32x = 1,238,997,520,000,933 - Step 5: Solve for x
x = 1,238,997,520,000,933/40,664,647.32 - Step 6: Final answer
x = 30,468,665.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.