Finding the Fourth Proportional to 19,930,947.80, 29,893,582.97 and 6,282,320.41
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Solution
The fourth proportional to 19,930,947.80, 29,893,582.97 and 6,282,320.41 is: 9,422,585.83
Step by Step Solution
- Step 1: Write the proportion equation
19,930,947.80 : 29,893,582.97 = 6,282,320.41 : x - Step 2: Convert to fraction form
19,930,947.80/29,893,582.97 = 6,282,320.41/x - Step 3: Cross multiply
19,930,947.80x = 29,893,582.97 × 6,282,320.41 - Step 4: Simplify right side
19,930,947.80x = 187,801,066,281,822.09 - Step 5: Solve for x
x = 187,801,066,281,822.09/19,930,947.80 - Step 6: Final answer
x = 9,422,585.83
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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.