Finding the Fourth Proportional to 38,303,257.49, 57,450,642.08 and 13,710,201.92
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Solution
The fourth proportional to 38,303,257.49, 57,450,642.08 and 13,710,201.92 is: 20,563,783.73
Step by Step Solution
- Step 1: Write the proportion equation
38,303,257.49 : 57,450,642.08 = 13,710,201.92 : x - Step 2: Convert to fraction form
38,303,257.49/57,450,642.08 = 13,710,201.92/x - Step 3: Cross multiply
38,303,257.49x = 57,450,642.08 × 13,710,201.92 - Step 4: Simplify right side
38,303,257.49x = 787,659,903,350,448.75 - Step 5: Solve for x
x = 787,659,903,350,448.75/38,303,257.49 - Step 6: Final answer
x = 20,563,783.73
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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.