Finding the Fourth Proportional to 19,343,923.23, 26,694,613.89 and 10,641,909.09
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Solution
The fourth proportional to 19,343,923.23, 26,694,613.89 and 10,641,909.09 is: 14,685,834.45
Step by Step Solution
- Step 1: Write the proportion equation
19,343,923.23 : 26,694,613.89 = 10,641,909.09 : x - Step 2: Convert to fraction form
19,343,923.23/26,694,613.89 = 10,641,909.09/x - Step 3: Cross multiply
19,343,923.23x = 26,694,613.89 × 10,641,909.09 - Step 4: Simplify right side
19,343,923.23x = 284,081,654,210,031.25 - Step 5: Solve for x
x = 284,081,654,210,031.25/19,343,923.23 - Step 6: Final answer
x = 14,685,834.45
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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.