Finding the Fourth Proportional to 18,872,617.98, 28,308,879.30 and 5,225,718.81
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Solution
The fourth proportional to 18,872,617.98, 28,308,879.30 and 5,225,718.81 is: 7,838,565.02
Step by Step Solution
- Step 1: Write the proportion equation
18,872,617.98 : 28,308,879.30 = 5,225,718.81 : x - Step 2: Convert to fraction form
18,872,617.98/28,308,879.30 = 5,225,718.81/x - Step 3: Cross multiply
18,872,617.98x = 28,308,879.30 × 5,225,718.81 - Step 4: Simplify right side
18,872,617.98x = 147,934,243,048,029.62 - Step 5: Solve for x
x = 147,934,243,048,029.62/18,872,617.98 - Step 6: Final answer
x = 7,838,565.02
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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.