Finding the Fourth Proportional to 19,124,379.36, 28,670,937.42 and 8,895,616.32
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Solution
The fourth proportional to 19,124,379.36, 28,670,937.42 and 8,895,616.32 is: 13,336,153.50
Step by Step Solution
- Step 1: Write the proportion equation
19,124,379.36 : 28,670,937.42 = 8,895,616.32 : x - Step 2: Convert to fraction form
19,124,379.36/28,670,937.42 = 8,895,616.32/x - Step 3: Cross multiply
19,124,379.36x = 28,670,937.42 × 8,895,616.32 - Step 4: Simplify right side
19,124,379.36x = 255,045,658,823,050.72 - Step 5: Solve for x
x = 255,045,658,823,050.72/19,124,379.36 - Step 6: Final answer
x = 13,336,153.50
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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.