Finding the Fourth Proportional to 14,155,062.36, 19,531,707.24 and 7,959,739.80
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Solution
The fourth proportional to 14,155,062.36, 19,531,707.24 and 7,959,739.80 is: 10,983,159.49
Step by Step Solution
- Step 1: Write the proportion equation
14,155,062.36 : 19,531,707.24 = 7,959,739.80 : x - Step 2: Convert to fraction form
14,155,062.36/19,531,707.24 = 7,959,739.80/x - Step 3: Cross multiply
14,155,062.36x = 19,531,707.24 × 7,959,739.80 - Step 4: Simplify right side
14,155,062.36x = 155,467,307,480,176.12 - Step 5: Solve for x
x = 155,467,307,480,176.12/14,155,062.36 - Step 6: Final answer
x = 10,983,159.49
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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.