Finding the Fourth Proportional to 13,134,424.84, 18,131,649.62 and 7,626,726.88
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Solution
The fourth proportional to 13,134,424.84, 18,131,649.62 and 7,626,726.88 is: 10,528,450.33
Step by Step Solution
- Step 1: Write the proportion equation
13,134,424.84 : 18,131,649.62 = 7,626,726.88 : x - Step 2: Convert to fraction form
13,134,424.84/18,131,649.62 = 7,626,726.88/x - Step 3: Cross multiply
13,134,424.84x = 18,131,649.62 × 7,626,726.88 - Step 4: Simplify right side
13,134,424.84x = 138,285,139,535,595.80 - Step 5: Solve for x
x = 138,285,139,535,595.80/13,134,424.84 - Step 6: Final answer
x = 10,528,450.33
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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.