Finding the Fourth Proportional to 14,450,678.33, 19,942,209.80 and 7,923,918.53
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Solution
The fourth proportional to 14,450,678.33, 19,942,209.80 and 7,923,918.53 is: 10,935,157.65
Step by Step Solution
- Step 1: Write the proportion equation
14,450,678.33 : 19,942,209.80 = 7,923,918.53 : x - Step 2: Convert to fraction form
14,450,678.33/19,942,209.80 = 7,923,918.53/x - Step 3: Cross multiply
14,450,678.33x = 19,942,209.80 × 7,923,918.53 - Step 4: Simplify right side
14,450,678.33x = 158,020,445,624,036.97 - Step 5: Solve for x
x = 158,020,445,624,036.97/14,450,678.33 - Step 6: Final answer
x = 10,935,157.65
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1.5x scale
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.