Finding the Fourth Proportional to 19,092,122.72, 26,346,624.52 and 10,390,108.49
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Solution
The fourth proportional to 19,092,122.72, 26,346,624.52 and 10,390,108.49 is: 14,338,074.99
Step by Step Solution
- Step 1: Write the proportion equation
19,092,122.72 : 26,346,624.52 = 10,390,108.49 : x - Step 2: Convert to fraction form
19,092,122.72/26,346,624.52 = 10,390,108.49/x - Step 3: Cross multiply
19,092,122.72x = 26,346,624.52 × 10,390,108.49 - Step 4: Simplify right side
19,092,122.72x = 273,744,287,216,877.22 - Step 5: Solve for x
x = 273,744,287,216,877.22/19,092,122.72 - Step 6: Final answer
x = 14,338,074.99
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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.