Finding the Fourth Proportional to 14,165,743.60, 19,548,148.80 and 8,366,402.80
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Solution
The fourth proportional to 14,165,743.60, 19,548,148.80 and 8,366,402.80 is: 11,545,294.87
Step by Step Solution
- Step 1: Write the proportion equation
14,165,743.60 : 19,548,148.80 = 8,366,402.80 : x - Step 2: Convert to fraction form
14,165,743.60/19,548,148.80 = 8,366,402.80/x - Step 3: Cross multiply
14,165,743.60x = 19,548,148.80 × 8,366,402.80 - Step 4: Simplify right side
14,165,743.60x = 163,547,686,855,136.66 - Step 5: Solve for x
x = 163,547,686,855,136.66/14,165,743.60 - Step 6: Final answer
x = 11,545,294.87
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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.