Finding the Fourth Proportional to 21,735,432.24, 29,982,406.32 and 13,572,498.48
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Solution
The fourth proportional to 21,735,432.24, 29,982,406.32 and 13,572,498.48 is: 18,722,248.53
Step by Step Solution
- Step 1: Write the proportion equation
21,735,432.24 : 29,982,406.32 = 13,572,498.48 : x - Step 2: Convert to fraction form
21,735,432.24/29,982,406.32 = 13,572,498.48/x - Step 3: Cross multiply
21,735,432.24x = 29,982,406.32 × 13,572,498.48 - Step 4: Simplify right side
21,735,432.24x = 406,936,164,204,942.44 - Step 5: Solve for x
x = 406,936,164,204,942.44/21,735,432.24 - Step 6: Final answer
x = 18,722,248.53
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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.