Finding the Fourth Proportional to 13,727,926.63, 18,944,486.66 and 7,533,076.99
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Solution
The fourth proportional to 13,727,926.63, 18,944,486.66 and 7,533,076.99 is: 10,395,617.66
Step by Step Solution
- Step 1: Write the proportion equation
13,727,926.63 : 18,944,486.66 = 7,533,076.99 : x - Step 2: Convert to fraction form
13,727,926.63/18,944,486.66 = 7,533,076.99/x - Step 3: Cross multiply
13,727,926.63x = 18,944,486.66 × 7,533,076.99 - Step 4: Simplify right side
13,727,926.63x = 142,710,276,596,686.78 - Step 5: Solve for x
x = 142,710,276,596,686.78/13,727,926.63 - Step 6: Final answer
x = 10,395,617.66
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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.