Finding the Fourth Proportional to 19,653,684.60, 29,481,401.70 and 6,699,646.20
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Solution
The fourth proportional to 19,653,684.60, 29,481,401.70 and 6,699,646.20 is: 10,049,767.51
Step by Step Solution
- Step 1: Write the proportion equation
19,653,684.60 : 29,481,401.70 = 6,699,646.20 : x - Step 2: Convert to fraction form
19,653,684.60/29,481,401.70 = 6,699,646.20/x - Step 3: Cross multiply
19,653,684.60x = 29,481,401.70 × 6,699,646.20 - Step 4: Simplify right side
19,653,684.60x = 197,514,960,870,078.53 - Step 5: Solve for x
x = 197,514,960,870,078.53/19,653,684.60 - Step 6: Final answer
x = 10,049,767.51
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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.