Finding the Fourth Proportional to 38,088,117.60, 57,124,537.85 and 18,648,968.10
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Solution
The fourth proportional to 38,088,117.60, 57,124,537.85 and 18,648,968.10 is: 27,969,712.11
Step by Step Solution
- Step 1: Write the proportion equation
38,088,117.60 : 57,124,537.85 = 18,648,968.10 : x - Step 2: Convert to fraction form
38,088,117.60/57,124,537.85 = 18,648,968.10/x - Step 3: Cross multiply
38,088,117.60x = 57,124,537.85 × 18,648,968.10 - Step 4: Simplify right side
38,088,117.60x = 1,065,313,684,091,892.75 - Step 5: Solve for x
x = 1,065,313,684,091,892.75/38,088,117.60 - Step 6: Final answer
x = 27,969,712.11
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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.