Finding the Fourth Proportional to 14,879,447.70, 22,319,171.55 and 6,376,391.70
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Solution
The fourth proportional to 14,879,447.70, 22,319,171.55 and 6,376,391.70 is: 9,564,587.55
Step by Step Solution
- Step 1: Write the proportion equation
14,879,447.70 : 22,319,171.55 = 6,376,391.70 : x - Step 2: Convert to fraction form
14,879,447.70/22,319,171.55 = 6,376,391.70/x - Step 3: Cross multiply
14,879,447.70x = 22,319,171.55 × 6,376,391.70 - Step 4: Simplify right side
14,879,447.70x = 142,315,780,222,296.16 - Step 5: Solve for x
x = 142,315,780,222,296.16/14,879,447.70 - Step 6: Final answer
x = 9,564,587.55
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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.