Finding the Fourth Proportional to 51,178,928.46, 76,781,837.88 and 18,392,807.58
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Solution
The fourth proportional to 51,178,928.46, 76,781,837.88 and 18,392,807.58 is: 27,594,043.34
Step by Step Solution
- Step 1: Write the proportion equation
51,178,928.46 : 76,781,837.88 = 18,392,807.58 : x - Step 2: Convert to fraction form
51,178,928.46/76,781,837.88 = 18,392,807.58/x - Step 3: Cross multiply
51,178,928.46x = 76,781,837.88 × 18,392,807.58 - Step 4: Simplify right side
51,178,928.46x = 1,412,233,569,765,595 - Step 5: Solve for x
x = 1,412,233,569,765,595/51,178,928.46 - Step 6: Final answer
x = 27,594,043.34
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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.