Finding the Fourth Proportional to 18,670,954.41, 28,000,370.63 and 6,203,811.39
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Solution
The fourth proportional to 18,670,954.41, 28,000,370.63 and 6,203,811.39 is: 9,303,703.20
Step by Step Solution
- Step 1: Write the proportion equation
18,670,954.41 : 28,000,370.63 = 6,203,811.39 : x - Step 2: Convert to fraction form
18,670,954.41/28,000,370.63 = 6,203,811.39/x - Step 3: Cross multiply
18,670,954.41x = 28,000,370.63 × 6,203,811.39 - Step 4: Simplify right side
18,670,954.41x = 173,709,018,238,615.47 - Step 5: Solve for x
x = 173,709,018,238,615.47/18,670,954.41 - Step 6: Final answer
x = 9,303,703.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.