Finding the Fourth Proportional to 38,670,456, 53,364,163.52 and 21,266,800.80
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Solution
The fourth proportional to 38,670,456, 53,364,163.52 and 21,266,800.80 is: 29,347,598.99
Step by Step Solution
- Step 1: Write the proportion equation
38,670,456 : 53,364,163.52 = 21,266,800.80 : x - Step 2: Convert to fraction form
38,670,456/53,364,163.52 = 21,266,800.80/x - Step 3: Cross multiply
38,670,456x = 53,364,163.52 × 21,266,800.80 - Step 4: Simplify right side
38,670,456x = 1,134,885,035,438,467 - Step 5: Solve for x
x = 1,134,885,035,438,467/38,670,456 - Step 6: Final answer
x = 29,347,598.99
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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.