Finding the Fourth Proportional to 19,241,507.36, 28,863,608.32 and 7,726,973.92
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Solution
The fourth proportional to 19,241,507.36, 28,863,608.32 and 7,726,973.92 is: 11,591,001.92
Step by Step Solution
- Step 1: Write the proportion equation
19,241,507.36 : 28,863,608.32 = 7,726,973.92 : x - Step 2: Convert to fraction form
19,241,507.36/28,863,608.32 = 7,726,973.92/x - Step 3: Cross multiply
19,241,507.36x = 28,863,608.32 × 7,726,973.92 - Step 4: Simplify right side
19,241,507.36x = 223,028,348,725,735 - Step 5: Solve for x
x = 223,028,348,725,735/19,241,507.36 - Step 6: Final answer
x = 11,591,001.92
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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.