Finding the Fourth Proportional to 49,572,022.60, 74,358,033.90 and 15,493,313.80
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Solution
The fourth proportional to 49,572,022.60, 74,358,033.90 and 15,493,313.80 is: 23,239,970.70
Step by Step Solution
- Step 1: Write the proportion equation
49,572,022.60 : 74,358,033.90 = 15,493,313.80 : x - Step 2: Convert to fraction form
49,572,022.60/74,358,033.90 = 15,493,313.80/x - Step 3: Cross multiply
49,572,022.60x = 74,358,033.90 × 15,493,313.80 - Step 4: Simplify right side
49,572,022.60x = 1,152,052,352,763,738 - Step 5: Solve for x
x = 1,152,052,352,763,738/49,572,022.60 - Step 6: Final answer
x = 23,239,970.70
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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.