Finding the Fourth Proportional to 21,966,985.26, 30,308,303.99 and 17,306,303.75
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Solution
The fourth proportional to 21,966,985.26, 30,308,303.99 and 17,306,303.75 is: 23,877,865.29
Step by Step Solution
- Step 1: Write the proportion equation
21,966,985.26 : 30,308,303.99 = 17,306,303.75 : x - Step 2: Convert to fraction form
21,966,985.26/30,308,303.99 = 17,306,303.75/x - Step 3: Cross multiply
21,966,985.26x = 30,308,303.99 × 17,306,303.75 - Step 4: Simplify right side
21,966,985.26x = 524,524,714,760,203.94 - Step 5: Solve for x
x = 524,524,714,760,203.94/21,966,985.26 - Step 6: Final answer
x = 23,877,865.29
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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.