Finding the Fourth Proportional to 13,696,938.27, 18,901,101.24 and 7,502,011.99
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Solution
The fourth proportional to 13,696,938.27, 18,901,101.24 and 7,502,011.99 is: 10,352,407.62
Step by Step Solution
- Step 1: Write the proportion equation
13,696,938.27 : 18,901,101.24 = 7,502,011.99 : x - Step 2: Convert to fraction form
13,696,938.27/18,901,101.24 = 7,502,011.99/x - Step 3: Cross multiply
13,696,938.27x = 18,901,101.24 × 7,502,011.99 - Step 4: Simplify right side
13,696,938.27x = 141,796,288,126,683.88 - Step 5: Solve for x
x = 141,796,288,126,683.88/13,696,938.27 - Step 6: Final answer
x = 10,352,407.62
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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.