Finding the Fourth Proportional to 19,898,052.42, 29,799,248.13 and 11,352,481.14
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Solution
The fourth proportional to 19,898,052.42, 29,799,248.13 and 11,352,481.14 is: 17,001,432.87
Step by Step Solution
- Step 1: Write the proportion equation
19,898,052.42 : 29,799,248.13 = 11,352,481.14 : x - Step 2: Convert to fraction form
19,898,052.42/29,799,248.13 = 11,352,481.14/x - Step 3: Cross multiply
19,898,052.42x = 29,799,248.13 × 11,352,481.14 - Step 4: Simplify right side
19,898,052.42x = 338,295,402,382,005.25 - Step 5: Solve for x
x = 338,295,402,382,005.25/19,898,052.42 - Step 6: Final answer
x = 17,001,432.87
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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.