Finding the Fourth Proportional to 47,178,592.56, 70,784,918.28 and 16,477,690.68
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Solution
The fourth proportional to 47,178,592.56, 70,784,918.28 and 16,477,690.68 is: 24,722,483.76
Step by Step Solution
- Step 1: Write the proportion equation
47,178,592.56 : 70,784,918.28 = 16,477,690.68 : x - Step 2: Convert to fraction form
47,178,592.56/70,784,918.28 = 16,477,690.68/x - Step 3: Cross multiply
47,178,592.56x = 70,784,918.28 × 16,477,690.68 - Step 4: Simplify right side
47,178,592.56x = 1,166,371,988,226,917.75 - Step 5: Solve for x
x = 1,166,371,988,226,917.75/47,178,592.56 - Step 6: Final answer
x = 24,722,483.76
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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.