Finding the Fourth Proportional to 19,930,947.36, 29,893,582.31 and 6,282,319.97
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Solution
The fourth proportional to 19,930,947.36, 29,893,582.31 and 6,282,319.97 is: 9,422,585.17
Step by Step Solution
- Step 1: Write the proportion equation
19,930,947.36 : 29,893,582.31 = 6,282,319.97 : x - Step 2: Convert to fraction form
19,930,947.36/29,893,582.31 = 6,282,319.97/x - Step 3: Cross multiply
19,930,947.36x = 29,893,582.31 × 6,282,319.97 - Step 4: Simplify right side
19,930,947.36x = 187,801,049,061,923.59 - Step 5: Solve for x
x = 187,801,049,061,923.59/19,930,947.36 - Step 6: Final answer
x = 9,422,585.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.