Finding the Fourth Proportional to 18,343,897.48, 27,518,503.38 and 6,828,407.56
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Solution
The fourth proportional to 18,343,897.48, 27,518,503.38 and 6,828,407.56 is: 10,243,600.45
Step by Step Solution
- Step 1: Write the proportion equation
18,343,897.48 : 27,518,503.38 = 6,828,407.56 : x - Step 2: Convert to fraction form
18,343,897.48/27,518,503.38 = 6,828,407.56/x - Step 3: Cross multiply
18,343,897.48x = 27,518,503.38 × 6,828,407.56 - Step 4: Simplify right side
18,343,897.48x = 187,907,556,519,877.53 - Step 5: Solve for x
x = 187,907,556,519,877.53/18,343,897.48 - Step 6: Final answer
x = 10,243,600.45
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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.