Finding the Fourth Proportional to 13,028,112.39, 19,522,240.25 and 6,963,707.19
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Solution
The fourth proportional to 13,028,112.39, 19,522,240.25 and 6,963,707.19 is: 10,434,908.81
Step by Step Solution
- Step 1: Write the proportion equation
13,028,112.39 : 19,522,240.25 = 6,963,707.19 : x - Step 2: Convert to fraction form
13,028,112.39/19,522,240.25 = 6,963,707.19/x - Step 3: Cross multiply
13,028,112.39x = 19,522,240.25 × 6,963,707.19 - Step 4: Simplify right side
13,028,112.39x = 135,947,164,759,013.88 - Step 5: Solve for x
x = 135,947,164,759,013.88/13,028,112.39 - Step 6: Final answer
x = 10,434,908.81
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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.