Finding the Fourth Proportional to 47,294,821.68, 65,266,825.02 and 25,564,789.68
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Solution
The fourth proportional to 47,294,821.68, 65,266,825.02 and 25,564,789.68 is: 35,279,394.14
Step by Step Solution
- Step 1: Write the proportion equation
47,294,821.68 : 65,266,825.02 = 25,564,789.68 : x - Step 2: Convert to fraction form
47,294,821.68/65,266,825.02 = 25,564,789.68/x - Step 3: Cross multiply
47,294,821.68x = 65,266,825.02 × 25,564,789.68 - Step 4: Simplify right side
47,294,821.68x = 1,668,532,654,717,661.75 - Step 5: Solve for x
x = 1,668,532,654,717,661.75/47,294,821.68 - Step 6: Final answer
x = 35,279,394.14
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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.