Finding the Fourth Proportional to 15,055,368.83, 22,534,193.95 and 8,129,219.79
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Solution
The fourth proportional to 15,055,368.83, 22,534,193.95 and 8,129,219.79 is: 12,167,447.87
Step by Step Solution
- Step 1: Write the proportion equation
15,055,368.83 : 22,534,193.95 = 8,129,219.79 : x - Step 2: Convert to fraction form
15,055,368.83/22,534,193.95 = 8,129,219.79/x - Step 3: Cross multiply
15,055,368.83x = 22,534,193.95 × 8,129,219.79 - Step 4: Simplify right side
15,055,368.83x = 183,185,415,370,322.97 - Step 5: Solve for x
x = 183,185,415,370,322.97/15,055,368.83 - Step 6: Final answer
x = 12,167,447.87
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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.