Finding the Fourth Proportional to 40,261,707.60, 60,342,198.84 and 31,708,263.12
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Solution
The fourth proportional to 40,261,707.60, 60,342,198.84 and 31,708,263.12 is: 47,522,731.45
Step by Step Solution
- Step 1: Write the proportion equation
40,261,707.60 : 60,342,198.84 = 31,708,263.12 : x - Step 2: Convert to fraction form
40,261,707.60/60,342,198.84 = 31,708,263.12/x - Step 3: Cross multiply
40,261,707.60x = 60,342,198.84 × 31,708,263.12 - Step 4: Simplify right side
40,261,707.60x = 1,913,346,318,058,079 - Step 5: Solve for x
x = 1,913,346,318,058,079/40,261,707.60 - Step 6: Final answer
x = 47,522,731.45
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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.