Finding the Fourth Proportional to 48,143,624.72, 66,438,202.12 and 27,517,513.78
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Solution
The fourth proportional to 48,143,624.72, 66,438,202.12 and 27,517,513.78 is: 37,974,169.02
Step by Step Solution
- Step 1: Write the proportion equation
48,143,624.72 : 66,438,202.12 = 27,517,513.78 : x - Step 2: Convert to fraction form
48,143,624.72/66,438,202.12 = 27,517,513.78/x - Step 3: Cross multiply
48,143,624.72x = 66,438,202.12 × 27,517,513.78 - Step 4: Simplify right side
48,143,624.72x = 1,828,214,142,355,525.25 - Step 5: Solve for x
x = 1,828,214,142,355,525.25/48,143,624.72 - Step 6: Final answer
x = 37,974,169.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.