Finding the Fourth Proportional to 56,370,039.20, 84,534,318.68 and 19,472,542.56
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Solution
The fourth proportional to 56,370,039.20, 84,534,318.68 and 19,472,542.56 is: 29,201,649.34
Step by Step Solution
- Step 1: Write the proportion equation
56,370,039.20 : 84,534,318.68 = 19,472,542.56 : x - Step 2: Convert to fraction form
56,370,039.20/84,534,318.68 = 19,472,542.56/x - Step 3: Cross multiply
56,370,039.20x = 84,534,318.68 × 19,472,542.56 - Step 4: Simplify right side
56,370,039.20x = 1,646,098,118,276,903 - Step 5: Solve for x
x = 1,646,098,118,276,903/56,370,039.20 - Step 6: Final answer
x = 29,201,649.34
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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.