Finding the Fourth Proportional to 14,421,707.60, 19,902,193.80 and 7,895,229.42
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Solution
The fourth proportional to 14,421,707.60, 19,902,193.80 and 7,895,229.42 is: 10,895,546.52
Step by Step Solution
- Step 1: Write the proportion equation
14,421,707.60 : 19,902,193.80 = 7,895,229.42 : x - Step 2: Convert to fraction form
14,421,707.60/19,902,193.80 = 7,895,229.42/x - Step 3: Cross multiply
14,421,707.60x = 19,902,193.80 × 7,895,229.42 - Step 4: Simplify right side
14,421,707.60x = 157,132,386,012,301.59 - Step 5: Solve for x
x = 157,132,386,012,301.59/14,421,707.60 - Step 6: Final answer
x = 10,895,546.52
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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.