Finding the Fourth Proportional to 26,912,010.97, 37,187,155.38 and 19,163,601.19
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Solution
The fourth proportional to 26,912,010.97, 37,187,155.38 and 19,163,601.19 is: 26,480,362.83
Step by Step Solution
- Step 1: Write the proportion equation
26,912,010.97 : 37,187,155.38 = 19,163,601.19 : x - Step 2: Convert to fraction form
26,912,010.97/37,187,155.38 = 19,163,601.19/x - Step 3: Cross multiply
26,912,010.97x = 37,187,155.38 × 19,163,601.19 - Step 4: Simplify right side
26,912,010.97x = 712,639,815,092,883 - Step 5: Solve for x
x = 712,639,815,092,883/26,912,010.97 - Step 6: Final answer
x = 26,480,362.83
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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.