Finding the Fourth Proportional to 13,991,189.36, 19,307,582.12 and 7,626,098.80
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Solution
The fourth proportional to 13,991,189.36, 19,307,582.12 and 7,626,098.80 is: 10,523,875.07
Step by Step Solution
- Step 1: Write the proportion equation
13,991,189.36 : 19,307,582.12 = 7,626,098.80 : x - Step 2: Convert to fraction form
13,991,189.36/19,307,582.12 = 7,626,098.80/x - Step 3: Cross multiply
13,991,189.36x = 19,307,582.12 × 7,626,098.80 - Step 4: Simplify right side
13,991,189.36x = 147,241,528,836,233.47 - Step 5: Solve for x
x = 147,241,528,836,233.47/13,991,189.36 - Step 6: Final answer
x = 10,523,875.07
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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.