Finding the Fourth Proportional to 12,106,973.40, 18,160,525.71 and 3,587,383.68
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Solution
The fourth proportional to 12,106,973.40, 18,160,525.71 and 3,587,383.68 is: 5,381,094.96
Step by Step Solution
- Step 1: Write the proportion equation
12,106,973.40 : 18,160,525.71 = 3,587,383.68 : x - Step 2: Convert to fraction form
12,106,973.40/18,160,525.71 = 3,587,383.68/x - Step 3: Cross multiply
12,106,973.40x = 18,160,525.71 × 3,587,383.68 - Step 4: Simplify right side
12,106,973.40x = 65,148,773,552,274.42 - Step 5: Solve for x
x = 65,148,773,552,274.42/12,106,973.40 - Step 6: Final answer
x = 5,381,094.96
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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.