Finding the Fourth Proportional to 12,580,756.36, 18,843,473.58 and 10,397,032.84
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Solution
The fourth proportional to 12,580,756.36, 18,843,473.58 and 10,397,032.84 is: 15,572,689.59
Step by Step Solution
- Step 1: Write the proportion equation
12,580,756.36 : 18,843,473.58 = 10,397,032.84 : x - Step 2: Convert to fraction form
12,580,756.36/18,843,473.58 = 10,397,032.84/x - Step 3: Cross multiply
12,580,756.36x = 18,843,473.58 × 10,397,032.84 - Step 4: Simplify right side
12,580,756.36x = 195,916,213,630,932.34 - Step 5: Solve for x
x = 195,916,213,630,932.34/12,580,756.36 - Step 6: Final answer
x = 15,572,689.59
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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.