Finding the Fourth Proportional to 13,153,077.12, 19,729,171.08 and 4,633,191.12
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Solution
The fourth proportional to 13,153,077.12, 19,729,171.08 and 4,633,191.12 is: 6,949,630.07
Step by Step Solution
- Step 1: Write the proportion equation
13,153,077.12 : 19,729,171.08 = 4,633,191.12 : x - Step 2: Convert to fraction form
13,153,077.12/19,729,171.08 = 4,633,191.12/x - Step 3: Cross multiply
13,153,077.12x = 19,729,171.08 × 4,633,191.12 - Step 4: Simplify right side
13,153,077.12x = 91,409,020,252,816.80 - Step 5: Solve for x
x = 91,409,020,252,816.80/13,153,077.12 - Step 6: Final answer
x = 6,949,630.07
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1.5x scale
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.