Finding the Fourth Proportional to 19,683,203.20, 29,524,804.80 and 5,499,779.20
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Solution
The fourth proportional to 19,683,203.20, 29,524,804.80 and 5,499,779.20 is: 8,249,668.80
Step by Step Solution
- Step 1: Write the proportion equation
19,683,203.20 : 29,524,804.80 = 5,499,779.20 : x - Step 2: Convert to fraction form
19,683,203.20/29,524,804.80 = 5,499,779.20/x - Step 3: Cross multiply
19,683,203.20x = 29,524,804.80 × 5,499,779.20 - Step 4: Simplify right side
19,683,203.20x = 162,379,907,323,100.16 - Step 5: Solve for x
x = 162,379,907,323,100.16/19,683,203.20 - Step 6: Final answer
x = 8,249,668.80
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1.5x scale
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.