Finding the Fourth Proportional to 39,227,072.14, 54,133,857.77 and 21,588,005.62
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Solution
The fourth proportional to 39,227,072.14, 54,133,857.77 and 21,588,005.62 is: 29,791,721.94
Step by Step Solution
- Step 1: Write the proportion equation
39,227,072.14 : 54,133,857.77 = 21,588,005.62 : x - Step 2: Convert to fraction form
39,227,072.14/54,133,857.77 = 21,588,005.62/x - Step 3: Cross multiply
39,227,072.14x = 54,133,857.77 × 21,588,005.62 - Step 4: Simplify right side
39,227,072.14x = 1,168,642,025,730,768 - Step 5: Solve for x
x = 1,168,642,025,730,768/39,227,072.14 - Step 6: Final answer
x = 29,791,721.94
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1.5x scale
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.