Finding the Fourth Proportional to 38,844,938.60, 58,246,412.70 and 16,128,132.20
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Solution
The fourth proportional to 38,844,938.60, 58,246,412.70 and 16,128,132.20 is: 24,183,481.25
Step by Step Solution
- Step 1: Write the proportion equation
38,844,938.60 : 58,246,412.70 = 16,128,132.20 : x - Step 2: Convert to fraction form
38,844,938.60/58,246,412.70 = 16,128,132.20/x - Step 3: Cross multiply
38,844,938.60x = 58,246,412.70 × 16,128,132.20 - Step 4: Simplify right side
38,844,938.60x = 939,405,844,201,359 - Step 5: Solve for x
x = 939,405,844,201,359/38,844,938.60 - Step 6: Final answer
x = 24,183,481.25
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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.