Finding the Fourth Proportional to 18,345,726.90, 27,518,590.35 and 4,698,846.90
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Solution
The fourth proportional to 18,345,726.90, 27,518,590.35 and 4,698,846.90 is: 7,048,270.35
Step by Step Solution
- Step 1: Write the proportion equation
18,345,726.90 : 27,518,590.35 = 4,698,846.90 : x - Step 2: Convert to fraction form
18,345,726.90/27,518,590.35 = 4,698,846.90/x - Step 3: Cross multiply
18,345,726.90x = 27,518,590.35 × 4,698,846.90 - Step 4: Simplify right side
18,345,726.90x = 129,305,642,958,467.44 - Step 5: Solve for x
x = 129,305,642,958,467.44/18,345,726.90 - Step 6: Final answer
x = 7,048,270.35
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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.