Finding the Fourth Proportional to 14,312,423.20, 19,751,272.32 and 7,786,194.88
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Solution
The fourth proportional to 14,312,423.20, 19,751,272.32 and 7,786,194.88 is: 10,745,018.73
Step by Step Solution
- Step 1: Write the proportion equation
14,312,423.20 : 19,751,272.32 = 7,786,194.88 : x - Step 2: Convert to fraction form
14,312,423.20/19,751,272.32 = 7,786,194.88/x - Step 3: Cross multiply
14,312,423.20x = 19,751,272.32 × 7,786,194.88 - Step 4: Simplify right side
14,312,423.20x = 153,787,255,411,469.72 - Step 5: Solve for x
x = 153,787,255,411,469.72/14,312,423.20 - Step 6: Final answer
x = 10,745,018.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.