Finding the Fourth Proportional to 38,719,811.79, 53,436,463.56 and 22,201,473.15
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Solution
The fourth proportional to 38,719,811.79, 53,436,463.56 and 22,201,473.15 is: 30,639,823.80
Step by Step Solution
- Step 1: Write the proportion equation
38,719,811.79 : 53,436,463.56 = 22,201,473.15 : x - Step 2: Convert to fraction form
38,719,811.79/53,436,463.56 = 22,201,473.15/x - Step 3: Cross multiply
38,719,811.79x = 53,436,463.56 × 22,201,473.15 - Step 4: Simplify right side
38,719,811.79x = 1,186,368,210,958,293.50 - Step 5: Solve for x
x = 1,186,368,210,958,293.50/38,719,811.79 - Step 6: Final answer
x = 30,639,823.80
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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.