Finding the Fourth Proportional to 28,295,304.74, 42,442,904.12 and 8,866,018.12
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Solution
The fourth proportional to 28,295,304.74, 42,442,904.12 and 8,866,018.12 is: 13,299,010.58
Step by Step Solution
- Step 1: Write the proportion equation
28,295,304.74 : 42,442,904.12 = 8,866,018.12 : x - Step 2: Convert to fraction form
28,295,304.74/42,442,904.12 = 8,866,018.12/x - Step 3: Cross multiply
28,295,304.74x = 42,442,904.12 × 8,866,018.12 - Step 4: Simplify right side
28,295,304.74x = 376,299,556,993,342.62 - Step 5: Solve for x
x = 376,299,556,993,342.62/28,295,304.74 - Step 6: Final answer
x = 13,299,010.58
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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.