Finding the Fourth Proportional to 19,257,867.12, 26,576,177.72 and 10,437,600.09
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Solution
The fourth proportional to 19,257,867.12, 26,576,177.72 and 10,437,600.09 is: 14,404,062.15
Step by Step Solution
- Step 1: Write the proportion equation
19,257,867.12 : 26,576,177.72 = 10,437,600.09 : x - Step 2: Convert to fraction form
19,257,867.12/26,576,177.72 = 10,437,600.09/x - Step 3: Cross multiply
19,257,867.12x = 26,576,177.72 × 10,437,600.09 - Step 4: Simplify right side
19,257,867.12x = 277,391,514,962,127.97 - Step 5: Solve for x
x = 277,391,514,962,127.97/19,257,867.12 - Step 6: Final answer
x = 14,404,062.15
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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.