Finding the Fourth Proportional to 45,484,871.78, 68,234,361.84 and 19,223,818.07
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Solution
The fourth proportional to 45,484,871.78, 68,234,361.84 and 19,223,818.07 is: 28,838,708.48
Step by Step Solution
- Step 1: Write the proportion equation
45,484,871.78 : 68,234,361.84 = 19,223,818.07 : x - Step 2: Convert to fraction form
45,484,871.78/68,234,361.84 = 19,223,818.07/x - Step 3: Cross multiply
45,484,871.78x = 68,234,361.84 × 19,223,818.07 - Step 4: Simplify right side
45,484,871.78x = 1,311,724,957,793,538.75 - Step 5: Solve for x
x = 1,311,724,957,793,538.75/45,484,871.78 - Step 6: Final answer
x = 28,838,708.48
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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.