Finding the Fourth Proportional to 14,455,532.47, 19,948,275.18 and 8,260,186.09
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Solution
The fourth proportional to 14,455,532.47, 19,948,275.18 and 8,260,186.09 is: 11,398,851.31
Step by Step Solution
- Step 1: Write the proportion equation
14,455,532.47 : 19,948,275.18 = 8,260,186.09 : x - Step 2: Convert to fraction form
14,455,532.47/19,948,275.18 = 8,260,186.09/x - Step 3: Cross multiply
14,455,532.47x = 19,948,275.18 × 8,260,186.09 - Step 4: Simplify right side
14,455,532.47x = 164,776,465,161,328.25 - Step 5: Solve for x
x = 164,776,465,161,328.25/14,455,532.47 - Step 6: Final answer
x = 11,398,851.31
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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.