Finding the Fourth Proportional to 15,849,987.20, 23,758,388.82 and 6,633,240.70
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Solution
The fourth proportional to 15,849,987.20, 23,758,388.82 and 6,633,240.70 is: 9,942,917.28
Step by Step Solution
- Step 1: Write the proportion equation
15,849,987.20 : 23,758,388.82 = 6,633,240.70 : x - Step 2: Convert to fraction form
15,849,987.20/23,758,388.82 = 6,633,240.70/x - Step 3: Cross multiply
15,849,987.20x = 23,758,388.82 × 6,633,240.70 - Step 4: Simplify right side
15,849,987.20x = 157,595,111,687,248.97 - Step 5: Solve for x
x = 157,595,111,687,248.97/15,849,987.20 - Step 6: Final answer
x = 9,942,917.28
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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.