Finding the Fourth Proportional to 14,229,478.48, 19,636,676.12 and 7,703,103.08
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Solution
The fourth proportional to 14,229,478.48, 19,636,676.12 and 7,703,103.08 is: 10,630,279.99
Step by Step Solution
- Step 1: Write the proportion equation
14,229,478.48 : 19,636,676.12 = 7,703,103.08 : x - Step 2: Convert to fraction form
14,229,478.48/19,636,676.12 = 7,703,103.08/x - Step 3: Cross multiply
14,229,478.48x = 19,636,676.12 × 7,703,103.08 - Step 4: Simplify right side
14,229,478.48x = 151,263,340,300,934.47 - Step 5: Solve for x
x = 151,263,340,300,934.47/14,229,478.48 - Step 6: Final answer
x = 10,630,279.99
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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.