Finding the Fourth Proportional to 38,648,474.14, 53,360,576.86 and 29,691,631.84
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Solution
The fourth proportional to 38,648,474.14, 53,360,576.86 and 29,691,631.84 is: 40,994,182.52
Step by Step Solution
- Step 1: Write the proportion equation
38,648,474.14 : 53,360,576.86 = 29,691,631.84 : x - Step 2: Convert to fraction form
38,648,474.14/53,360,576.86 = 29,691,631.84/x - Step 3: Cross multiply
38,648,474.14x = 53,360,576.86 × 29,691,631.84 - Step 4: Simplify right side
38,648,474.14x = 1,584,362,602,897,143.25 - Step 5: Solve for x
x = 1,584,362,602,897,143.25/38,648,474.14 - Step 6: Final answer
x = 40,994,182.52
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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.