Finding the Fourth Proportional to 53,256,298.71, 79,836,486.24 and 19,153,664.13
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Solution
The fourth proportional to 53,256,298.71, 79,836,486.24 and 19,153,664.13 is: 28,713,246.69
Step by Step Solution
- Step 1: Write the proportion equation
53,256,298.71 : 79,836,486.24 = 19,153,664.13 : x - Step 2: Convert to fraction form
53,256,298.71/79,836,486.24 = 19,153,664.13/x - Step 3: Cross multiply
53,256,298.71x = 79,836,486.24 × 19,153,664.13 - Step 4: Simplify right side
53,256,298.71x = 1,529,161,242,760,326.50 - Step 5: Solve for x
x = 1,529,161,242,760,326.50/53,256,298.71 - Step 6: Final answer
x = 28,713,246.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.